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Finding the Fourth Proportional to 592.74, 887.25 and 430.38

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Solution

The fourth proportional to 592.74, 887.25 and 430.38 is: 644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.74 : 887.25 = 430.38 : x
  2. Step 2: Convert to fraction form
    592.74/887.25 = 430.38/x
  3. Step 3: Cross multiply
    592.74x = 887.25 × 430.38
  4. Step 4: Simplify right side
    592.74x = 381,854.66
  5. Step 5: Solve for x
    x = 381,854.66/592.74
  6. Step 6: Final answer
    x = 644.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.