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Finding the Fourth Proportional to 226.07, 337.47 and 198.73

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Solution

The fourth proportional to 226.07, 337.47 and 198.73 is: 296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.07 : 337.47 = 198.73 : x
  2. Step 2: Convert to fraction form
    226.07/337.47 = 198.73/x
  3. Step 3: Cross multiply
    226.07x = 337.47 × 198.73
  4. Step 4: Simplify right side
    226.07x = 67,065.41
  5. Step 5: Solve for x
    x = 67,065.41/226.07
  6. Step 6: Final answer
    x = 296.66

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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.