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Finding the Fourth Proportional to 599.28, 827.10 and 400.11

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Solution

The fourth proportional to 599.28, 827.10 and 400.11 is: 552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.28 : 827.10 = 400.11 : x
  2. Step 2: Convert to fraction form
    599.28/827.10 = 400.11/x
  3. Step 3: Cross multiply
    599.28x = 827.10 × 400.11
  4. Step 4: Simplify right side
    599.28x = 330,930.98
  5. Step 5: Solve for x
    x = 330,930.98/599.28
  6. Step 6: Final answer
    x = 552.21

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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.