And if the Seahawks were to lose out: vs. Browns , vs. Rams , @ Cardinals
That would give the RAMS the 5th seed.
These are nice scenarios, but we need a few more things to happen besides just these to get in. Once you get past the division winners, there are still 6 teams that can get better than .500: Redskins/Eagles/Giants (one of those will win the division), Seattle (presuming they don't beat AZ), Minnesota, Atlanta, Tampa. If two of them get better than 500, Rams are done.
That said, it does seem like the Rams gets some favorable tie-breakers should they get to .500. I'm having a hard time finding a scenario where the Rams don't win a 3-or-more-teams-at-8/8 tiebreaker.
We can dream.