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Finding the Fourth Proportional to 599.98, 827.64 and 351.22

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Solution

The fourth proportional to 599.98, 827.64 and 351.22 is: 484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.98 : 827.64 = 351.22 : x
  2. Step 2: Convert to fraction form
    599.98/827.64 = 351.22/x
  3. Step 3: Cross multiply
    599.98x = 827.64 × 351.22
  4. Step 4: Simplify right side
    599.98x = 290,683.72
  5. Step 5: Solve for x
    x = 290,683.72/599.98
  6. Step 6: Final answer
    x = 484.49

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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.