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Finding the Fourth Proportional to 237.31, 353.98 and 199.03

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Solution

The fourth proportional to 237.31, 353.98 and 199.03 is: 296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.31 : 353.98 = 199.03 : x
  2. Step 2: Convert to fraction form
    237.31/353.98 = 199.03/x
  3. Step 3: Cross multiply
    237.31x = 353.98 × 199.03
  4. Step 4: Simplify right side
    237.31x = 70,452.64
  5. Step 5: Solve for x
    x = 70,452.64/237.31
  6. Step 6: Final answer
    x = 296.88

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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.