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Finding the Fourth Proportional to 188.08, 281.68 and 182.61

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Solution

The fourth proportional to 188.08, 281.68 and 182.61 is: 273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.08 : 281.68 = 182.61 : x
  2. Step 2: Convert to fraction form
    188.08/281.68 = 182.61/x
  3. Step 3: Cross multiply
    188.08x = 281.68 × 182.61
  4. Step 4: Simplify right side
    188.08x = 51,437.13
  5. Step 5: Solve for x
    x = 51,437.13/188.08
  6. Step 6: Final answer
    x = 273.49

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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.