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Finding the Fourth Proportional to 297.87, 413.88 and 293.97

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Solution

The fourth proportional to 297.87, 413.88 and 293.97 is: 408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.87 : 413.88 = 293.97 : x
  2. Step 2: Convert to fraction form
    297.87/413.88 = 293.97/x
  3. Step 3: Cross multiply
    297.87x = 413.88 × 293.97
  4. Step 4: Simplify right side
    297.87x = 121,668.30
  5. Step 5: Solve for x
    x = 121,668.30/297.87
  6. Step 6: Final answer
    x = 408.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.