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Finding the Fourth Proportional to 591.83, 887.15 and 331.95

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Solution

The fourth proportional to 591.83, 887.15 and 331.95 is: 497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.83 : 887.15 = 331.95 : x
  2. Step 2: Convert to fraction form
    591.83/887.15 = 331.95/x
  3. Step 3: Cross multiply
    591.83x = 887.15 × 331.95
  4. Step 4: Simplify right side
    591.83x = 294,487.78
  5. Step 5: Solve for x
    x = 294,487.78/591.83
  6. Step 6: Final answer
    x = 497.59

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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.