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Finding the Fourth Proportional to 182.61, 273.63 and 105.48

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Solution

The fourth proportional to 182.61, 273.63 and 105.48 is: 158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 273.63 = 105.48 : x
  2. Step 2: Convert to fraction form
    182.61/273.63 = 105.48/x
  3. Step 3: Cross multiply
    182.61x = 273.63 × 105.48
  4. Step 4: Simplify right side
    182.61x = 28,862.49
  5. Step 5: Solve for x
    x = 28,862.49/182.61
  6. Step 6: Final answer
    x = 158.06

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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.