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Finding the Fourth Proportional to 195.38, 292.64 and 169.04

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Solution

The fourth proportional to 195.38, 292.64 and 169.04 is: 253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.38 : 292.64 = 169.04 : x
  2. Step 2: Convert to fraction form
    195.38/292.64 = 169.04/x
  3. Step 3: Cross multiply
    195.38x = 292.64 × 169.04
  4. Step 4: Simplify right side
    195.38x = 49,467.87
  5. Step 5: Solve for x
    x = 49,467.87/195.38
  6. Step 6: Final answer
    x = 253.19

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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.