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Finding the Fourth Proportional to 64.52, 96.31 and 62.37

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Solution

The fourth proportional to 64.52, 96.31 and 62.37 is: 93.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.52 : 96.31 = 62.37 : x
  2. Step 2: Convert to fraction form
    64.52/96.31 = 62.37/x
  3. Step 3: Cross multiply
    64.52x = 96.31 × 62.37
  4. Step 4: Simplify right side
    64.52x = 6,006.85
  5. Step 5: Solve for x
    x = 6,006.85/64.52
  6. Step 6: Final answer
    x = 93.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.