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Finding the Fourth Proportional to 237.68, 353.98 and 236.30

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Solution

The fourth proportional to 237.68, 353.98 and 236.30 is: 351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.68 : 353.98 = 236.30 : x
  2. Step 2: Convert to fraction form
    237.68/353.98 = 236.30/x
  3. Step 3: Cross multiply
    237.68x = 353.98 × 236.30
  4. Step 4: Simplify right side
    237.68x = 83,645.47
  5. Step 5: Solve for x
    x = 83,645.47/237.68
  6. Step 6: Final answer
    x = 351.92

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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.