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Finding the Fourth Proportional to 599.72, 827.94 and 451.17

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Solution

The fourth proportional to 599.72, 827.94 and 451.17 is: 622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.72 : 827.94 = 451.17 : x
  2. Step 2: Convert to fraction form
    599.72/827.94 = 451.17/x
  3. Step 3: Cross multiply
    599.72x = 827.94 × 451.17
  4. Step 4: Simplify right side
    599.72x = 373,541.69
  5. Step 5: Solve for x
    x = 373,541.69/599.72
  6. Step 6: Final answer
    x = 622.87

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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.