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Finding the Fourth Proportional to 599.76, 827.96 and 453.56

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Solution

The fourth proportional to 599.76, 827.96 and 453.56 is: 626.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.76 : 827.96 = 453.56 : x
  2. Step 2: Convert to fraction form
    599.76/827.96 = 453.56/x
  3. Step 3: Cross multiply
    599.76x = 827.96 × 453.56
  4. Step 4: Simplify right side
    599.76x = 375,523.13
  5. Step 5: Solve for x
    x = 375,523.13/599.76
  6. Step 6: Final answer
    x = 626.12

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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.