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Finding the Fourth Proportional to 179.69, 247.77 and 170.37

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Solution

The fourth proportional to 179.69, 247.77 and 170.37 is: 234.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.69 : 247.77 = 170.37 : x
  2. Step 2: Convert to fraction form
    179.69/247.77 = 170.37/x
  3. Step 3: Cross multiply
    179.69x = 247.77 × 170.37
  4. Step 4: Simplify right side
    179.69x = 42,212.57
  5. Step 5: Solve for x
    x = 42,212.57/179.69
  6. Step 6: Final answer
    x = 234.93

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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.