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Finding the Fourth Proportional to 599.73, 827.78 and 425.13

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Solution

The fourth proportional to 599.73, 827.78 and 425.13 is: 586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.73 : 827.78 = 425.13 : x
  2. Step 2: Convert to fraction form
    599.73/827.78 = 425.13/x
  3. Step 3: Cross multiply
    599.73x = 827.78 × 425.13
  4. Step 4: Simplify right side
    599.73x = 351,911.99
  5. Step 5: Solve for x
    x = 351,911.99/599.73
  6. Step 6: Final answer
    x = 586.78

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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.