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Finding the Fourth Proportional to 429.35, 592.49 and 252.31

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Solution

The fourth proportional to 429.35, 592.49 and 252.31 is: 348.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.35 : 592.49 = 252.31 : x
  2. Step 2: Convert to fraction form
    429.35/592.49 = 252.31/x
  3. Step 3: Cross multiply
    429.35x = 592.49 × 252.31
  4. Step 4: Simplify right side
    429.35x = 149,488.41
  5. Step 5: Solve for x
    x = 149,488.41/429.35
  6. Step 6: Final answer
    x = 348.18

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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.