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Finding the Fourth Proportional to 197.18, 296.36 and 132.39

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Solution

The fourth proportional to 197.18, 296.36 and 132.39 is: 198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.18 : 296.36 = 132.39 : x
  2. Step 2: Convert to fraction form
    197.18/296.36 = 132.39/x
  3. Step 3: Cross multiply
    197.18x = 296.36 × 132.39
  4. Step 4: Simplify right side
    197.18x = 39,234.44
  5. Step 5: Solve for x
    x = 39,234.44/197.18
  6. Step 6: Final answer
    x = 198.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.