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Finding the Fourth Proportional to 530.96, 730.89 and 437.54

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Solution

The fourth proportional to 530.96, 730.89 and 437.54 is: 602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.96 : 730.89 = 437.54 : x
  2. Step 2: Convert to fraction form
    530.96/730.89 = 437.54/x
  3. Step 3: Cross multiply
    530.96x = 730.89 × 437.54
  4. Step 4: Simplify right side
    530.96x = 319,789.96
  5. Step 5: Solve for x
    x = 319,789.96/530.96
  6. Step 6: Final answer
    x = 602.29

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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.