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Finding the Fourth Proportional to 400.08, 600.03 and 191.73

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Solution

The fourth proportional to 400.08, 600.03 and 191.73 is: 287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.08 : 600.03 = 191.73 : x
  2. Step 2: Convert to fraction form
    400.08/600.03 = 191.73/x
  3. Step 3: Cross multiply
    400.08x = 600.03 × 191.73
  4. Step 4: Simplify right side
    400.08x = 115,043.75
  5. Step 5: Solve for x
    x = 115,043.75/400.08
  6. Step 6: Final answer
    x = 287.55

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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.