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Finding the Fourth Proportional to 182.19, 273.03 and 105.06

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Solution

The fourth proportional to 182.19, 273.03 and 105.06 is: 157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.19 : 273.03 = 105.06 : x
  2. Step 2: Convert to fraction form
    182.19/273.03 = 105.06/x
  3. Step 3: Cross multiply
    182.19x = 273.03 × 105.06
  4. Step 4: Simplify right side
    182.19x = 28,684.53
  5. Step 5: Solve for x
    x = 28,684.53/182.19
  6. Step 6: Final answer
    x = 157.44

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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.