maths

sa=lambda x,y,z:2*((x*y)+(x*z)+(y*z))
vl=lambda x,y,z:x*y*z
sv_=lambda x,y,z:(sa(x,y,z),vl(x,y,z))
def sv(x,y,z):
    x,y,z=(float(i)for i in(x,y,z))
    return sa(x,y,z)/vl(x,y,z)
x,y,z = [[i*_ for i in range(1,11)]for _ in range(1,4)]
f=[sv_(*i)for i in zip(x,y,z)]
print f
"""
    >>> f
    [(22, 6),
     (88, 48),
     (198, 162),
     (352, 384),
     (550, 750),
     (792, 1296),
     (1078, 2058),
     (1408, 3072),
     (1782, 4374),
     (2200, 6000)]

Expressed as fractions, this equates to...
(11/3, 11/6, 11/9, 11/12, 11/15, 11/18, 11/21, 11/24, 11/27, 11/30, )


Continuations:
...11/33, 11/36, 11/39, 11/42, 11/45, 11/48, 11/51, 11/54, 11/57, 11/60, 11/63, 11/65, 11/69...
Ever increasing by 3

Formula

    given
        >>> zip(x,y,z)
        [(1, 2, 3),
         (2, 4, 6),
         (3, 6, 9),
         (4, 8, 12),
         (5, 10, 15),
         (6, 12, 18),
         (7, 14, 21),
         (8, 16, 24),
         (9, 18, 27),
         (10, 20, 30)]

    The basic fraction form of (SurfaceArea / Volume) is 11/x+3 for each iteration of x.
"""

(e^(i*pi)+1) out of (e^(((ln(2)+ln(5))/pi)*pi))