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Finding the Fourth Proportional to 283.87, 391.96 and 246.65

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Solution

The fourth proportional to 283.87, 391.96 and 246.65 is: 340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.87 : 391.96 = 246.65 : x
  2. Step 2: Convert to fraction form
    283.87/391.96 = 246.65/x
  3. Step 3: Cross multiply
    283.87x = 391.96 × 246.65
  4. Step 4: Simplify right side
    283.87x = 96,675.70
  5. Step 5: Solve for x
    x = 96,675.70/283.87
  6. Step 6: Final answer
    x = 340.57

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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.