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Finding the Fourth Proportional to 892.86, 1,337.27 and 527.55

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Solution

The fourth proportional to 892.86, 1,337.27 and 527.55 is: 790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.86 : 1,337.27 = 527.55 : x
  2. Step 2: Convert to fraction form
    892.86/1,337.27 = 527.55/x
  3. Step 3: Cross multiply
    892.86x = 1,337.27 × 527.55
  4. Step 4: Simplify right side
    892.86x = 705,474.15
  5. Step 5: Solve for x
    x = 705,474.15/892.86
  6. Step 6: Final answer
    x = 790.13

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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.