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Finding the Fourth Proportional to 295.92, 443.88 and 193.19

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Solution

The fourth proportional to 295.92, 443.88 and 193.19 is: 289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.92 : 443.88 = 193.19 : x
  2. Step 2: Convert to fraction form
    295.92/443.88 = 193.19/x
  3. Step 3: Cross multiply
    295.92x = 443.88 × 193.19
  4. Step 4: Simplify right side
    295.92x = 85,750.96
  5. Step 5: Solve for x
    x = 85,750.96/295.92
  6. Step 6: Final answer
    x = 289.78

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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.