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Finding the Fourth Proportional to 141.36, 213.14 and 132.08

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Solution

The fourth proportional to 141.36, 213.14 and 132.08 is: 199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.36 : 213.14 = 132.08 : x
  2. Step 2: Convert to fraction form
    141.36/213.14 = 132.08/x
  3. Step 3: Cross multiply
    141.36x = 213.14 × 132.08
  4. Step 4: Simplify right side
    141.36x = 28,151.53
  5. Step 5: Solve for x
    x = 28,151.53/141.36
  6. Step 6: Final answer
    x = 199.15

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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.