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Finding the Fourth Proportional to 437.72, 606.65 and 429.52

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Solution

The fourth proportional to 437.72, 606.65 and 429.52 is: 595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.72 : 606.65 = 429.52 : x
  2. Step 2: Convert to fraction form
    437.72/606.65 = 429.52/x
  3. Step 3: Cross multiply
    437.72x = 606.65 × 429.52
  4. Step 4: Simplify right side
    437.72x = 260,568.31
  5. Step 5: Solve for x
    x = 260,568.31/437.72
  6. Step 6: Final answer
    x = 595.29

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.