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Finding the Fourth Proportional to 337.76, 466.24 and 198

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Solution

The fourth proportional to 337.76, 466.24 and 198 is: 273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.76 : 466.24 = 198 : x
  2. Step 2: Convert to fraction form
    337.76/466.24 = 198/x
  3. Step 3: Cross multiply
    337.76x = 466.24 × 198
  4. Step 4: Simplify right side
    337.76x = 92,315.52
  5. Step 5: Solve for x
    x = 92,315.52/337.76
  6. Step 6: Final answer
    x = 273.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.