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Finding the Fourth Proportional to 146.27, 219.47 and 88.56

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Solution

The fourth proportional to 146.27, 219.47 and 88.56 is: 132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.27 : 219.47 = 88.56 : x
  2. Step 2: Convert to fraction form
    146.27/219.47 = 88.56/x
  3. Step 3: Cross multiply
    146.27x = 219.47 × 88.56
  4. Step 4: Simplify right side
    146.27x = 19,435.82
  5. Step 5: Solve for x
    x = 19,435.82/146.27
  6. Step 6: Final answer
    x = 132.88

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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.