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Finding the Fourth Proportional to 534.38, 801.62 and 149.63

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Solution

The fourth proportional to 534.38, 801.62 and 149.63 is: 224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.38 : 801.62 = 149.63 : x
  2. Step 2: Convert to fraction form
    534.38/801.62 = 149.63/x
  3. Step 3: Cross multiply
    534.38x = 801.62 × 149.63
  4. Step 4: Simplify right side
    534.38x = 119,941.64
  5. Step 5: Solve for x
    x = 119,941.64/534.38
  6. Step 6: Final answer
    x = 224.45

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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.