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Finding the Fourth Proportional to 102.52, 154.56 and 95.56

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Solution

The fourth proportional to 102.52, 154.56 and 95.56 is: 144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102.52 : 154.56 = 95.56 : x
  2. Step 2: Convert to fraction form
    102.52/154.56 = 95.56/x
  3. Step 3: Cross multiply
    102.52x = 154.56 × 95.56
  4. Step 4: Simplify right side
    102.52x = 14,769.75
  5. Step 5: Solve for x
    x = 14,769.75/102.52
  6. Step 6: Final answer
    x = 144.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.