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Finding the Fourth Proportional to 599.79, 827.72 and 351.24

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Solution

The fourth proportional to 599.79, 827.72 and 351.24 is: 484.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.79 : 827.72 = 351.24 : x
  2. Step 2: Convert to fraction form
    599.79/827.72 = 351.24/x
  3. Step 3: Cross multiply
    599.79x = 827.72 × 351.24
  4. Step 4: Simplify right side
    599.79x = 290,726.62
  5. Step 5: Solve for x
    x = 290,726.62/599.79
  6. Step 6: Final answer
    x = 484.71

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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.