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Finding the Fourth Proportional to 337.84, 466.21 and 197.97

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Solution

The fourth proportional to 337.84, 466.21 and 197.97 is: 273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.84 : 466.21 = 197.97 : x
  2. Step 2: Convert to fraction form
    337.84/466.21 = 197.97/x
  3. Step 3: Cross multiply
    337.84x = 466.21 × 197.97
  4. Step 4: Simplify right side
    337.84x = 92,295.59
  5. Step 5: Solve for x
    x = 92,295.59/337.84
  6. Step 6: Final answer
    x = 273.19

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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.