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Finding the Fourth Proportional to 179.83, 269.73 and 93.16

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Solution

The fourth proportional to 179.83, 269.73 and 93.16 is: 139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.83 : 269.73 = 93.16 : x
  2. Step 2: Convert to fraction form
    179.83/269.73 = 93.16/x
  3. Step 3: Cross multiply
    179.83x = 269.73 × 93.16
  4. Step 4: Simplify right side
    179.83x = 25,128.05
  5. Step 5: Solve for x
    x = 25,128.05/179.83
  6. Step 6: Final answer
    x = 139.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.