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Finding the Fourth Proportional to 147.83, 221.52 and 132.53

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Solution

The fourth proportional to 147.83, 221.52 and 132.53 is: 198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.83 : 221.52 = 132.53 : x
  2. Step 2: Convert to fraction form
    147.83/221.52 = 132.53/x
  3. Step 3: Cross multiply
    147.83x = 221.52 × 132.53
  4. Step 4: Simplify right side
    147.83x = 29,358.05
  5. Step 5: Solve for x
    x = 29,358.05/147.83
  6. Step 6: Final answer
    x = 198.59

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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.