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Finding the Fourth Proportional to 321.75, 444.23 and 246.93

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Solution

The fourth proportional to 321.75, 444.23 and 246.93 is: 340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.75 : 444.23 = 246.93 : x
  2. Step 2: Convert to fraction form
    321.75/444.23 = 246.93/x
  3. Step 3: Cross multiply
    321.75x = 444.23 × 246.93
  4. Step 4: Simplify right side
    321.75x = 109,694.33
  5. Step 5: Solve for x
    x = 109,694.33/321.75
  6. Step 6: Final answer
    x = 340.93

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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.