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Finding the Fourth Proportional to 591.93, 816.96 and 343.29

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Solution

The fourth proportional to 591.93, 816.96 and 343.29 is: 473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.93 : 816.96 = 343.29 : x
  2. Step 2: Convert to fraction form
    591.93/816.96 = 343.29/x
  3. Step 3: Cross multiply
    591.93x = 816.96 × 343.29
  4. Step 4: Simplify right side
    591.93x = 280,454.20
  5. Step 5: Solve for x
    x = 280,454.20/591.93
  6. Step 6: Final answer
    x = 473.80

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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.