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Finding the Fourth Proportional to 599.91, 827.88 and 351.39

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Solution

The fourth proportional to 599.91, 827.88 and 351.39 is: 484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.91 : 827.88 = 351.39 : x
  2. Step 2: Convert to fraction form
    599.91/827.88 = 351.39/x
  3. Step 3: Cross multiply
    599.91x = 827.88 × 351.39
  4. Step 4: Simplify right side
    599.91x = 290,908.75
  5. Step 5: Solve for x
    x = 290,908.75/599.91
  6. Step 6: Final answer
    x = 484.92

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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.