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Finding the Fourth Proportional to 599.89, 827.64 and 351.15

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Solution

The fourth proportional to 599.89, 827.64 and 351.15 is: 484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.89 : 827.64 = 351.15 : x
  2. Step 2: Convert to fraction form
    599.89/827.64 = 351.15/x
  3. Step 3: Cross multiply
    599.89x = 827.64 × 351.15
  4. Step 4: Simplify right side
    599.89x = 290,625.79
  5. Step 5: Solve for x
    x = 290,625.79/599.89
  6. Step 6: Final answer
    x = 484.47

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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.