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Finding the Fourth Proportional to 64.01, 95.97 and 41.21

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Solution

The fourth proportional to 64.01, 95.97 and 41.21 is: 61.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.01 : 95.97 = 41.21 : x
  2. Step 2: Convert to fraction form
    64.01/95.97 = 41.21/x
  3. Step 3: Cross multiply
    64.01x = 95.97 × 41.21
  4. Step 4: Simplify right side
    64.01x = 3,954.96
  5. Step 5: Solve for x
    x = 3,954.96/64.01
  6. Step 6: Final answer
    x = 61.78

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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.