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Finding the Fourth Proportional to 64.66, 96.92 and 37.52

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Solution

The fourth proportional to 64.66, 96.92 and 37.52 is: 56.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.66 : 96.92 = 37.52 : x
  2. Step 2: Convert to fraction form
    64.66/96.92 = 37.52/x
  3. Step 3: Cross multiply
    64.66x = 96.92 × 37.52
  4. Step 4: Simplify right side
    64.66x = 3,636.44
  5. Step 5: Solve for x
    x = 3,636.44/64.66
  6. Step 6: Final answer
    x = 56.24

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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.