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Finding the Fourth Proportional to 195.19, 293.08 and 118.49

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Solution

The fourth proportional to 195.19, 293.08 and 118.49 is: 177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.19 : 293.08 = 118.49 : x
  2. Step 2: Convert to fraction form
    195.19/293.08 = 118.49/x
  3. Step 3: Cross multiply
    195.19x = 293.08 × 118.49
  4. Step 4: Simplify right side
    195.19x = 34,726.46
  5. Step 5: Solve for x
    x = 34,726.46/195.19
  6. Step 6: Final answer
    x = 177.92

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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.