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Finding the Fourth Proportional to 534.79, 737.67 and 471.61

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Solution

The fourth proportional to 534.79, 737.67 and 471.61 is: 650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.79 : 737.67 = 471.61 : x
  2. Step 2: Convert to fraction form
    534.79/737.67 = 471.61/x
  3. Step 3: Cross multiply
    534.79x = 737.67 × 471.61
  4. Step 4: Simplify right side
    534.79x = 347,892.55
  5. Step 5: Solve for x
    x = 347,892.55/534.79
  6. Step 6: Final answer
    x = 650.52

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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.