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Finding the Fourth Proportional to 886.39, 1,329.62 and 237.15

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Solution

The fourth proportional to 886.39, 1,329.62 and 237.15 is: 355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.39 : 1,329.62 = 237.15 : x
  2. Step 2: Convert to fraction form
    886.39/1,329.62 = 237.15/x
  3. Step 3: Cross multiply
    886.39x = 1,329.62 × 237.15
  4. Step 4: Simplify right side
    886.39x = 315,319.38
  5. Step 5: Solve for x
    x = 315,319.38/886.39
  6. Step 6: Final answer
    x = 355.73

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