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Finding the Fourth Proportional to 886.67, 1,330.04 and 237.41

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Solution

The fourth proportional to 886.67, 1,330.04 and 237.41 is: 356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.67 : 1,330.04 = 237.41 : x
  2. Step 2: Convert to fraction form
    886.67/1,330.04 = 237.41/x
  3. Step 3: Cross multiply
    886.67x = 1,330.04 × 237.41
  4. Step 4: Simplify right side
    886.67x = 315,764.80
  5. Step 5: Solve for x
    x = 315,764.80/886.67
  6. Step 6: Final answer
    x = 356.12

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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.