Heat oven to 375°F. Spray 13x9-inch (3-quart) baking dish with nonstick cooking spray.
Cook ravioli to desired doneness as directed on package.
Drain ravioli; place in sprayed baking dish. Top with meatballs and sauce; sprinkle with cheese.
Bake at 375°F. for 30 to 35 minutes or until thoroughly heated and cheese is melted.