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Finding the Fourth Proportional to 591.30, 884.98 and 444.69

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Solution

The fourth proportional to 591.30, 884.98 and 444.69 is: 665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.30 : 884.98 = 444.69 : x
  2. Step 2: Convert to fraction form
    591.30/884.98 = 444.69/x
  3. Step 3: Cross multiply
    591.30x = 884.98 × 444.69
  4. Step 4: Simplify right side
    591.30x = 393,542.61
  5. Step 5: Solve for x
    x = 393,542.61/591.30
  6. Step 6: Final answer
    x = 665.55

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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.