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Finding the Fourth Proportional to 146.27, 218.96 and 94.76

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Solution

The fourth proportional to 146.27, 218.96 and 94.76 is: 141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.27 : 218.96 = 94.76 : x
  2. Step 2: Convert to fraction form
    146.27/218.96 = 94.76/x
  3. Step 3: Cross multiply
    146.27x = 218.96 × 94.76
  4. Step 4: Simplify right side
    146.27x = 20,747.08
  5. Step 5: Solve for x
    x = 20,747.08/146.27
  6. Step 6: Final answer
    x = 141.85

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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.