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Finding the Fourth Proportional to 591.20, 887.40 and 244.74

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Solution

The fourth proportional to 591.20, 887.40 and 244.74 is: 367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.20 : 887.40 = 244.74 : x
  2. Step 2: Convert to fraction form
    591.20/887.40 = 244.74/x
  3. Step 3: Cross multiply
    591.20x = 887.40 × 244.74
  4. Step 4: Simplify right side
    591.20x = 217,182.28
  5. Step 5: Solve for x
    x = 217,182.28/591.20
  6. Step 6: Final answer
    x = 367.36

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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.