Formal balance is
a.
the linear symmetry of an images, so that two halves are mirror images of each other.
b.
the aesthetics and stability of an object or structure.
c.
the arrangement of the elements so that no one part overpowers or seems heavier.
d.
the pleasing composition of parts or objects.

Symbolic proportion is
a.
the relative size relationship between religious figures and other part of a work of art.
b.
the apparent disproportionate relationship between objects within a piece.
c.
the manipulation of visual characteristics in order to emphasize one specific figure.
d.
the use of geometric arrangements to show religious imagery or to tell stories.