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Finding the Fourth Proportional to 400.25, 599.92 and 183.38

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Solution

The fourth proportional to 400.25, 599.92 and 183.38 is: 274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.25 : 599.92 = 183.38 : x
  2. Step 2: Convert to fraction form
    400.25/599.92 = 183.38/x
  3. Step 3: Cross multiply
    400.25x = 599.92 × 183.38
  4. Step 4: Simplify right side
    400.25x = 110,009.87
  5. Step 5: Solve for x
    x = 110,009.87/400.25
  6. Step 6: Final answer
    x = 274.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.