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Finding the Fourth Proportional to 443.29, 611.76 and 246.82

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Solution

The fourth proportional to 443.29, 611.76 and 246.82 is: 340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.29 : 611.76 = 246.82 : x
  2. Step 2: Convert to fraction form
    443.29/611.76 = 246.82/x
  3. Step 3: Cross multiply
    443.29x = 611.76 × 246.82
  4. Step 4: Simplify right side
    443.29x = 150,994.60
  5. Step 5: Solve for x
    x = 150,994.60/443.29
  6. Step 6: Final answer
    x = 340.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.