Home / 361.97-499.18-278.94

Finding the Fourth Proportional to 361.97, 499.18 and 278.94

Calculator

Solution

The fourth proportional to 361.97, 499.18 and 278.94 is: 384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.97 : 499.18 = 278.94 : x
  2. Step 2: Convert to fraction form
    361.97/499.18 = 278.94/x
  3. Step 3: Cross multiply
    361.97x = 499.18 × 278.94
  4. Step 4: Simplify right side
    361.97x = 139,242.97
  5. Step 5: Solve for x
    x = 139,242.97/361.97
  6. Step 6: Final answer
    x = 384.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.