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Finding the Fourth Proportional to 429.29, 592.33 and 252.20

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Solution

The fourth proportional to 429.29, 592.33 and 252.20 is: 347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.29 : 592.33 = 252.20 : x
  2. Step 2: Convert to fraction form
    429.29/592.33 = 252.20/x
  3. Step 3: Cross multiply
    429.29x = 592.33 × 252.20
  4. Step 4: Simplify right side
    429.29x = 149,385.63
  5. Step 5: Solve for x
    x = 149,385.63/429.29
  6. Step 6: Final answer
    x = 347.98

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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.