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Finding the Fourth Proportional to 534.39, 737.13 and 481.53

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Solution

The fourth proportional to 534.39, 737.13 and 481.53 is: 664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.39 : 737.13 = 481.53 : x
  2. Step 2: Convert to fraction form
    534.39/737.13 = 481.53/x
  3. Step 3: Cross multiply
    534.39x = 737.13 × 481.53
  4. Step 4: Simplify right side
    534.39x = 354,950.21
  5. Step 5: Solve for x
    x = 354,950.21/534.39
  6. Step 6: Final answer
    x = 664.22

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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.