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Finding the Fourth Proportional to 64.52, 96.81 and 23.95

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Solution

The fourth proportional to 64.52, 96.81 and 23.95 is: 35.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.52 : 96.81 = 23.95 : x
  2. Step 2: Convert to fraction form
    64.52/96.81 = 23.95/x
  3. Step 3: Cross multiply
    64.52x = 96.81 × 23.95
  4. Step 4: Simplify right side
    64.52x = 2,318.60
  5. Step 5: Solve for x
    x = 2,318.60/64.52
  6. Step 6: Final answer
    x = 35.94

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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.