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Finding the Fourth Proportional to 229.92, 344.88 and 195.44

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Solution

The fourth proportional to 229.92, 344.88 and 195.44 is: 293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.92 : 344.88 = 195.44 : x
  2. Step 2: Convert to fraction form
    229.92/344.88 = 195.44/x
  3. Step 3: Cross multiply
    229.92x = 344.88 × 195.44
  4. Step 4: Simplify right side
    229.92x = 67,403.35
  5. Step 5: Solve for x
    x = 67,403.35/229.92
  6. Step 6: Final answer
    x = 293.16

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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.