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Finding the Fourth Proportional to 187.82, 280.31 and 182.96

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Solution

The fourth proportional to 187.82, 280.31 and 182.96 is: 273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.82 : 280.31 = 182.96 : x
  2. Step 2: Convert to fraction form
    187.82/280.31 = 182.96/x
  3. Step 3: Cross multiply
    187.82x = 280.31 × 182.96
  4. Step 4: Simplify right side
    187.82x = 51,285.52
  5. Step 5: Solve for x
    x = 51,285.52/187.82
  6. Step 6: Final answer
    x = 273.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.