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Finding the Fourth Proportional to 591.65, 887.62 and 298.43

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Solution

The fourth proportional to 591.65, 887.62 and 298.43 is: 447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.65 : 887.62 = 298.43 : x
  2. Step 2: Convert to fraction form
    591.65/887.62 = 298.43/x
  3. Step 3: Cross multiply
    591.65x = 887.62 × 298.43
  4. Step 4: Simplify right side
    591.65x = 264,892.44
  5. Step 5: Solve for x
    x = 264,892.44/591.65
  6. Step 6: Final answer
    x = 447.72

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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.