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Finding the Fourth Proportional to 252.45, 348.42 and 164.97

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Solution

The fourth proportional to 252.45, 348.42 and 164.97 is: 227.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.45 : 348.42 = 164.97 : x
  2. Step 2: Convert to fraction form
    252.45/348.42 = 164.97/x
  3. Step 3: Cross multiply
    252.45x = 348.42 × 164.97
  4. Step 4: Simplify right side
    252.45x = 57,477.11
  5. Step 5: Solve for x
    x = 57,477.11/252.45
  6. Step 6: Final answer
    x = 227.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.