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Finding the Fourth Proportional to 527.59, 792.84 and 493.31

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Solution

The fourth proportional to 527.59, 792.84 and 493.31 is: 741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.59 : 792.84 = 493.31 : x
  2. Step 2: Convert to fraction form
    527.59/792.84 = 493.31/x
  3. Step 3: Cross multiply
    527.59x = 792.84 × 493.31
  4. Step 4: Simplify right side
    527.59x = 391,115.90
  5. Step 5: Solve for x
    x = 391,115.90/527.59
  6. Step 6: Final answer
    x = 741.33

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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.