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Finding the Fourth Proportional to 592.59, 892.35 and 439.61

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Solution

The fourth proportional to 592.59, 892.35 and 439.61 is: 661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.59 : 892.35 = 439.61 : x
  2. Step 2: Convert to fraction form
    592.59/892.35 = 439.61/x
  3. Step 3: Cross multiply
    592.59x = 892.35 × 439.61
  4. Step 4: Simplify right side
    592.59x = 392,281.52
  5. Step 5: Solve for x
    x = 392,281.52/592.59
  6. Step 6: Final answer
    x = 661.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.