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Finding the Fourth Proportional to 295.85, 408.24 and 185.31

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Solution

The fourth proportional to 295.85, 408.24 and 185.31 is: 255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.85 : 408.24 = 185.31 : x
  2. Step 2: Convert to fraction form
    295.85/408.24 = 185.31/x
  3. Step 3: Cross multiply
    295.85x = 408.24 × 185.31
  4. Step 4: Simplify right side
    295.85x = 75,650.95
  5. Step 5: Solve for x
    x = 75,650.95/295.85
  6. Step 6: Final answer
    x = 255.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.