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Finding the Fourth Proportional to 165.52, 248.40 and 93.44

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Solution

The fourth proportional to 165.52, 248.40 and 93.44 is: 140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.52 : 248.40 = 93.44 : x
  2. Step 2: Convert to fraction form
    165.52/248.40 = 93.44/x
  3. Step 3: Cross multiply
    165.52x = 248.40 × 93.44
  4. Step 4: Simplify right side
    165.52x = 23,210.50
  5. Step 5: Solve for x
    x = 23,210.50/165.52
  6. Step 6: Final answer
    x = 140.23

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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.