I have to disagree, I have 225/45/17's on 7 inch wheels & the sidewalls are perfectly vertical. in fact a seven was right in the middle of what the tire manufacturers rim width chart recommended.
Same for a 245 on an 8" wheel, my chosen upgrade down the road.
conversely 205 would be at the rim width limit on an 8" plus the low profile will leave you open to rim damage from potholes.
I had 205/50's on my prelude with 16 x 7" wheels, they where perfect on such a small light car but would be way undersized on the bigger heavy galant IMOHO.