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Finding the Fourth Proportional to 197.41, 296.22 and 132.25

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Solution

The fourth proportional to 197.41, 296.22 and 132.25 is: 198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.41 : 296.22 = 132.25 : x
  2. Step 2: Convert to fraction form
    197.41/296.22 = 132.25/x
  3. Step 3: Cross multiply
    197.41x = 296.22 × 132.25
  4. Step 4: Simplify right side
    197.41x = 39,175.10
  5. Step 5: Solve for x
    x = 39,175.10/197.41
  6. Step 6: Final answer
    x = 198.45

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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.