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Finding the Fourth Proportional to 134.43, 202.72 and 132.60

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Solution

The fourth proportional to 134.43, 202.72 and 132.60 is: 199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.43 : 202.72 = 132.60 : x
  2. Step 2: Convert to fraction form
    134.43/202.72 = 132.60/x
  3. Step 3: Cross multiply
    134.43x = 202.72 × 132.60
  4. Step 4: Simplify right side
    134.43x = 26,881.10
  5. Step 5: Solve for x
    x = 26,881.10/134.43
  6. Step 6: Final answer
    x = 199.97

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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.