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Finding the Fourth Proportional to 195.34, 292.78 and 114.24

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Solution

The fourth proportional to 195.34, 292.78 and 114.24 is: 171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.34 : 292.78 = 114.24 : x
  2. Step 2: Convert to fraction form
    195.34/292.78 = 114.24/x
  3. Step 3: Cross multiply
    195.34x = 292.78 × 114.24
  4. Step 4: Simplify right side
    195.34x = 33,447.19
  5. Step 5: Solve for x
    x = 33,447.19/195.34
  6. Step 6: Final answer
    x = 171.23

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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.