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Finding the Fourth Proportional to 182.64, 273.33 and 136.88

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Solution

The fourth proportional to 182.64, 273.33 and 136.88 is: 204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.64 : 273.33 = 136.88 : x
  2. Step 2: Convert to fraction form
    182.64/273.33 = 136.88/x
  3. Step 3: Cross multiply
    182.64x = 273.33 × 136.88
  4. Step 4: Simplify right side
    182.64x = 37,412.04
  5. Step 5: Solve for x
    x = 37,412.04/182.64
  6. Step 6: Final answer
    x = 204.84

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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.