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Finding the Fourth Proportional to 179.39, 270.44 and 168.25

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Solution

The fourth proportional to 179.39, 270.44 and 168.25 is: 253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.39 : 270.44 = 168.25 : x
  2. Step 2: Convert to fraction form
    179.39/270.44 = 168.25/x
  3. Step 3: Cross multiply
    179.39x = 270.44 × 168.25
  4. Step 4: Simplify right side
    179.39x = 45,503.27
  5. Step 5: Solve for x
    x = 45,503.27/179.39
  6. Step 6: Final answer
    x = 253.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.