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Finding the Fourth Proportional to 534.56, 737.96 and 395.04

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Solution

The fourth proportional to 534.56, 737.96 and 395.04 is: 545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.56 : 737.96 = 395.04 : x
  2. Step 2: Convert to fraction form
    534.56/737.96 = 395.04/x
  3. Step 3: Cross multiply
    534.56x = 737.96 × 395.04
  4. Step 4: Simplify right side
    534.56x = 291,523.72
  5. Step 5: Solve for x
    x = 291,523.72/534.56
  6. Step 6: Final answer
    x = 545.35

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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.