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Finding the Fourth Proportional to 184.38, 275.56 and 169.79

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Solution

The fourth proportional to 184.38, 275.56 and 169.79 is: 253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.38 : 275.56 = 169.79 : x
  2. Step 2: Convert to fraction form
    184.38/275.56 = 169.79/x
  3. Step 3: Cross multiply
    184.38x = 275.56 × 169.79
  4. Step 4: Simplify right side
    184.38x = 46,785.95
  5. Step 5: Solve for x
    x = 46,785.95/184.38
  6. Step 6: Final answer
    x = 253.75

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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.