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Finding the Fourth Proportional to 298.29, 447.02 and 182.77

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Solution

The fourth proportional to 298.29, 447.02 and 182.77 is: 273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298.29 : 447.02 = 182.77 : x
  2. Step 2: Convert to fraction form
    298.29/447.02 = 182.77/x
  3. Step 3: Cross multiply
    298.29x = 447.02 × 182.77
  4. Step 4: Simplify right side
    298.29x = 81,701.85
  5. Step 5: Solve for x
    x = 81,701.85/298.29
  6. Step 6: Final answer
    x = 273.90

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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.