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Finding the Fourth Proportional to 237.33, 356.10 and 129.11

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Solution

The fourth proportional to 237.33, 356.10 and 129.11 is: 193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.33 : 356.10 = 129.11 : x
  2. Step 2: Convert to fraction form
    237.33/356.10 = 129.11/x
  3. Step 3: Cross multiply
    237.33x = 356.10 × 129.11
  4. Step 4: Simplify right side
    237.33x = 45,973.81
  5. Step 5: Solve for x
    x = 45,973.81/237.33
  6. Step 6: Final answer
    x = 193.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.