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Finding the Fourth Proportional to 591.08, 814.98 and 441.92

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Solution

The fourth proportional to 591.08, 814.98 and 441.92 is: 609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.08 : 814.98 = 441.92 : x
  2. Step 2: Convert to fraction form
    591.08/814.98 = 441.92/x
  3. Step 3: Cross multiply
    591.08x = 814.98 × 441.92
  4. Step 4: Simplify right side
    591.08x = 360,155.96
  5. Step 5: Solve for x
    x = 360,155.96/591.08
  6. Step 6: Final answer
    x = 609.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.