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Finding the Fourth Proportional to 165.52, 248.36 and 93.36

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Solution

The fourth proportional to 165.52, 248.36 and 93.36 is: 140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.52 : 248.36 = 93.36 : x
  2. Step 2: Convert to fraction form
    165.52/248.36 = 93.36/x
  3. Step 3: Cross multiply
    165.52x = 248.36 × 93.36
  4. Step 4: Simplify right side
    165.52x = 23,186.89
  5. Step 5: Solve for x
    x = 23,186.89/165.52
  6. Step 6: Final answer
    x = 140.09

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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.