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Finding the Fourth Proportional to 400.23, 600.39 and 183.96

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Solution

The fourth proportional to 400.23, 600.39 and 183.96 is: 275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.23 : 600.39 = 183.96 : x
  2. Step 2: Convert to fraction form
    400.23/600.39 = 183.96/x
  3. Step 3: Cross multiply
    400.23x = 600.39 × 183.96
  4. Step 4: Simplify right side
    400.23x = 110,447.74
  5. Step 5: Solve for x
    x = 110,447.74/400.23
  6. Step 6: Final answer
    x = 275.96

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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.