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Finding the Fourth Proportional to 240.12, 360.36 and 179.10

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Solution

The fourth proportional to 240.12, 360.36 and 179.10 is: 268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.12 : 360.36 = 179.10 : x
  2. Step 2: Convert to fraction form
    240.12/360.36 = 179.10/x
  3. Step 3: Cross multiply
    240.12x = 360.36 × 179.10
  4. Step 4: Simplify right side
    240.12x = 64,540.48
  5. Step 5: Solve for x
    x = 64,540.48/240.12
  6. Step 6: Final answer
    x = 268.78

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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.