Each piece should work as a standalone poem. I toyed with the idea of using the triolet form for each but decided the repetition wouldn't advance the theme. So for the first poem, I'm now experimenting with The Bop:
6-line stanza presenting problem
8-line stanza exploring or expanding on the problem
6-line stanza presenting solution or failed attempt(s) to solve
I think the form could work for all three poems, but I won't lock myself into that decision just yet.