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Finding the Fourth Proportional to 64.07, 96 and 41.29

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Solution

The fourth proportional to 64.07, 96 and 41.29 is: 61.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.07 : 96 = 41.29 : x
  2. Step 2: Convert to fraction form
    64.07/96 = 41.29/x
  3. Step 3: Cross multiply
    64.07x = 96 × 41.29
  4. Step 4: Simplify right side
    64.07x = 3,963.84
  5. Step 5: Solve for x
    x = 3,963.84/64.07
  6. Step 6: Final answer
    x = 61.87

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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.