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Finding the Fourth Proportional to 165.56, 248.50 and 93.48

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Solution

The fourth proportional to 165.56, 248.50 and 93.48 is: 140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.56 : 248.50 = 93.48 : x
  2. Step 2: Convert to fraction form
    165.56/248.50 = 93.48/x
  3. Step 3: Cross multiply
    165.56x = 248.50 × 93.48
  4. Step 4: Simplify right side
    165.56x = 23,229.78
  5. Step 5: Solve for x
    x = 23,229.78/165.56
  6. Step 6: Final answer
    x = 140.31

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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.