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Finding the Fourth Proportional to 182.89, 273.66 and 156.88

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Solution

The fourth proportional to 182.89, 273.66 and 156.88 is: 234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.89 : 273.66 = 156.88 : x
  2. Step 2: Convert to fraction form
    182.89/273.66 = 156.88/x
  3. Step 3: Cross multiply
    182.89x = 273.66 × 156.88
  4. Step 4: Simplify right side
    182.89x = 42,931.78
  5. Step 5: Solve for x
    x = 42,931.78/182.89
  6. Step 6: Final answer
    x = 234.74

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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.