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Finding the Fourth Proportional to 599.79, 827.52 and 351.15

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Solution

The fourth proportional to 599.79, 827.52 and 351.15 is: 484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.79 : 827.52 = 351.15 : x
  2. Step 2: Convert to fraction form
    599.79/827.52 = 351.15/x
  3. Step 3: Cross multiply
    599.79x = 827.52 × 351.15
  4. Step 4: Simplify right side
    599.79x = 290,583.65
  5. Step 5: Solve for x
    x = 290,583.65/599.79
  6. Step 6: Final answer
    x = 484.48

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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.