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Finding the Fourth Proportional to 184.72, 275.68 and 179.86

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Solution

The fourth proportional to 184.72, 275.68 and 179.86 is: 268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.72 : 275.68 = 179.86 : x
  2. Step 2: Convert to fraction form
    184.72/275.68 = 179.86/x
  3. Step 3: Cross multiply
    184.72x = 275.68 × 179.86
  4. Step 4: Simplify right side
    184.72x = 49,583.80
  5. Step 5: Solve for x
    x = 49,583.80/184.72
  6. Step 6: Final answer
    x = 268.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.