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Finding the Fourth Proportional to 247.65, 370.86 and 182.44

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Solution

The fourth proportional to 247.65, 370.86 and 182.44 is: 273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.65 : 370.86 = 182.44 : x
  2. Step 2: Convert to fraction form
    247.65/370.86 = 182.44/x
  3. Step 3: Cross multiply
    247.65x = 370.86 × 182.44
  4. Step 4: Simplify right side
    247.65x = 67,659.70
  5. Step 5: Solve for x
    x = 67,659.70/247.65
  6. Step 6: Final answer
    x = 273.21

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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.