arrow weight to draw weight?

[gravedigger]

is there a rule of thume for arrow weight to draw weight.my arrows are rated for 75-95 pounds.and weigh 8.9gpi.but im wondering if there is a general rule for oh lets say a 60 lbs bow should it weigh 300 grains,or a 70 lbs bow should that arrow weigh 400 grains.my bow is at 73 lbs and my arrow weighs 382 grains.should i turn down my bow or get a more hevy arrow for that weight.i just get a little lost on this