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Finding the Fourth Proportional to 118.97, 179.06 and 101.35

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Solution

The fourth proportional to 118.97, 179.06 and 101.35 is: 152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118.97 : 179.06 = 101.35 : x
  2. Step 2: Convert to fraction form
    118.97/179.06 = 101.35/x
  3. Step 3: Cross multiply
    118.97x = 179.06 × 101.35
  4. Step 4: Simplify right side
    118.97x = 18,148.02
  5. Step 5: Solve for x
    x = 18,148.02/118.97
  6. Step 6: Final answer
    x = 152.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.