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Finding the Fourth Proportional to 240.32, 360.06 and 118.40

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Solution

The fourth proportional to 240.32, 360.06 and 118.40 is: 177.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.32 : 360.06 = 118.40 : x
  2. Step 2: Convert to fraction form
    240.32/360.06 = 118.40/x
  3. Step 3: Cross multiply
    240.32x = 360.06 × 118.40
  4. Step 4: Simplify right side
    240.32x = 42,631.10
  5. Step 5: Solve for x
    x = 42,631.10/240.32
  6. Step 6: Final answer
    x = 177.39

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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.