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Finding the Fourth Proportional to 62.52, 86.23 and 51.59

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Solution

The fourth proportional to 62.52, 86.23 and 51.59 is: 71.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.52 : 86.23 = 51.59 : x
  2. Step 2: Convert to fraction form
    62.52/86.23 = 51.59/x
  3. Step 3: Cross multiply
    62.52x = 86.23 × 51.59
  4. Step 4: Simplify right side
    62.52x = 4,447.92
  5. Step 5: Solve for x
    x = 4,447.92/62.52
  6. Step 6: Final answer
    x = 71.14

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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.