Real Life Rule of Thirds

Real Life Radial Balance

Real Life Asymmetrical Balance

Real life Symmetrical Balance

Rule of Thirds

source: http://www.groovypost.com/howto/photography/photography-composition-tips-part-1-series/

Symmetric Balance

source: http://shahrukhm.blogspot.com/2011/02/symmetrical-balance.html

Asymmetric balance

source: http://www.artapprenticeonline.com/artstudies/learnctr/artisticprin/edlearnctrapbal.html