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Finding the Fourth Proportional to 337.60, 465.79 and 213.43

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Solution

The fourth proportional to 337.60, 465.79 and 213.43 is: 294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.60 : 465.79 = 213.43 : x
  2. Step 2: Convert to fraction form
    337.60/465.79 = 213.43/x
  3. Step 3: Cross multiply
    337.60x = 465.79 × 213.43
  4. Step 4: Simplify right side
    337.60x = 99,413.56
  5. Step 5: Solve for x
    x = 99,413.56/337.60
  6. Step 6: Final answer
    x = 294.47

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Why These Related Problems?

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