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Finding the Fourth Proportional to 180.54, 270.36 and 93.72

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Solution

The fourth proportional to 180.54, 270.36 and 93.72 is: 140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.54 : 270.36 = 93.72 : x
  2. Step 2: Convert to fraction form
    180.54/270.36 = 93.72/x
  3. Step 3: Cross multiply
    180.54x = 270.36 × 93.72
  4. Step 4: Simplify right side
    180.54x = 25,338.14
  5. Step 5: Solve for x
    x = 25,338.14/180.54
  6. Step 6: Final answer
    x = 140.35

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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.