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Finding the Fourth Proportional to 152.96, 229.56 and 95.27

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Solution

The fourth proportional to 152.96, 229.56 and 95.27 is: 142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.96 : 229.56 = 95.27 : x
  2. Step 2: Convert to fraction form
    152.96/229.56 = 95.27/x
  3. Step 3: Cross multiply
    152.96x = 229.56 × 95.27
  4. Step 4: Simplify right side
    152.96x = 21,869.39
  5. Step 5: Solve for x
    x = 21,869.39/152.96
  6. Step 6: Final answer
    x = 142.97

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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.