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Finding the Fourth Proportional to 187.50, 280.84 and 182.92

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Solution

The fourth proportional to 187.50, 280.84 and 182.92 is: 273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.50 : 280.84 = 182.92 : x
  2. Step 2: Convert to fraction form
    187.50/280.84 = 182.92/x
  3. Step 3: Cross multiply
    187.50x = 280.84 × 182.92
  4. Step 4: Simplify right side
    187.50x = 51,371.25
  5. Step 5: Solve for x
    x = 51,371.25/187.50
  6. Step 6: Final answer
    x = 273.98

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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.