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Finding the Fourth Proportional to 599.28, 827.60 and 476.24

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Solution

The fourth proportional to 599.28, 827.60 and 476.24 is: 657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.28 : 827.60 = 476.24 : x
  2. Step 2: Convert to fraction form
    599.28/827.60 = 476.24/x
  3. Step 3: Cross multiply
    599.28x = 827.60 × 476.24
  4. Step 4: Simplify right side
    599.28x = 394,136.22
  5. Step 5: Solve for x
    x = 394,136.22/599.28
  6. Step 6: Final answer
    x = 657.68

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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.