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Finding the Fourth Proportional to 534.47, 735.08 and 429.39

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Solution

The fourth proportional to 534.47, 735.08 and 429.39 is: 590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.47 : 735.08 = 429.39 : x
  2. Step 2: Convert to fraction form
    534.47/735.08 = 429.39/x
  3. Step 3: Cross multiply
    534.47x = 735.08 × 429.39
  4. Step 4: Simplify right side
    534.47x = 315,633.85
  5. Step 5: Solve for x
    x = 315,633.85/534.47
  6. Step 6: Final answer
    x = 590.56

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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.