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Finding the Fourth Proportional to 198.18, 296.22 and 182.82

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Solution

The fourth proportional to 198.18, 296.22 and 182.82 is: 273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.18 : 296.22 = 182.82 : x
  2. Step 2: Convert to fraction form
    198.18/296.22 = 182.82/x
  3. Step 3: Cross multiply
    198.18x = 296.22 × 182.82
  4. Step 4: Simplify right side
    198.18x = 54,154.94
  5. Step 5: Solve for x
    x = 54,154.94/198.18
  6. Step 6: Final answer
    x = 273.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.