Home / 515.85-773.89-150.61

Finding the Fourth Proportional to 515.85, 773.89 and 150.61

Calculator

Solution

The fourth proportional to 515.85, 773.89 and 150.61 is: 225.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    515.85 : 773.89 = 150.61 : x
  2. Step 2: Convert to fraction form
    515.85/773.89 = 150.61/x
  3. Step 3: Cross multiply
    515.85x = 773.89 × 150.61
  4. Step 4: Simplify right side
    515.85x = 116,552.89
  5. Step 5: Solve for x
    x = 116,552.89/515.85
  6. Step 6: Final answer
    x = 225.94

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.