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Finding the Fourth Proportional to 322.90, 444.62 and 244.34

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Solution

The fourth proportional to 322.90, 444.62 and 244.34 is: 336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.90 : 444.62 = 244.34 : x
  2. Step 2: Convert to fraction form
    322.90/444.62 = 244.34/x
  3. Step 3: Cross multiply
    322.90x = 444.62 × 244.34
  4. Step 4: Simplify right side
    322.90x = 108,638.45
  5. Step 5: Solve for x
    x = 108,638.45/322.90
  6. Step 6: Final answer
    x = 336.45

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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.