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Finding the Fourth Proportional to 252.63, 348.39 and 159.32

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Solution

The fourth proportional to 252.63, 348.39 and 159.32 is: 219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.63 : 348.39 = 159.32 : x
  2. Step 2: Convert to fraction form
    252.63/348.39 = 159.32/x
  3. Step 3: Cross multiply
    252.63x = 348.39 × 159.32
  4. Step 4: Simplify right side
    252.63x = 55,503.75
  5. Step 5: Solve for x
    x = 55,503.75/252.63
  6. Step 6: Final answer
    x = 219.70

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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.