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Finding the Fourth Proportional to 322.26, 444.03 and 310.11

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Solution

The fourth proportional to 322.26, 444.03 and 310.11 is: 427.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.26 : 444.03 = 310.11 : x
  2. Step 2: Convert to fraction form
    322.26/444.03 = 310.11/x
  3. Step 3: Cross multiply
    322.26x = 444.03 × 310.11
  4. Step 4: Simplify right side
    322.26x = 137,698.14
  5. Step 5: Solve for x
    x = 137,698.14/322.26
  6. Step 6: Final answer
    x = 427.29

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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.