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Finding the Fourth Proportional to 179.36, 247.57 and 168.47

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Solution

The fourth proportional to 179.36, 247.57 and 168.47 is: 232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.36 : 247.57 = 168.47 : x
  2. Step 2: Convert to fraction form
    179.36/247.57 = 168.47/x
  3. Step 3: Cross multiply
    179.36x = 247.57 × 168.47
  4. Step 4: Simplify right side
    179.36x = 41,709.41
  5. Step 5: Solve for x
    x = 41,709.41/179.36
  6. Step 6: Final answer
    x = 232.54

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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.