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Finding the Fourth Proportional to 322.44, 484.05 and 306.29

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Solution

The fourth proportional to 322.44, 484.05 and 306.29 is: 459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.44 : 484.05 = 306.29 : x
  2. Step 2: Convert to fraction form
    322.44/484.05 = 306.29/x
  3. Step 3: Cross multiply
    322.44x = 484.05 × 306.29
  4. Step 4: Simplify right side
    322.44x = 148,257.25
  5. Step 5: Solve for x
    x = 148,257.25/322.44
  6. Step 6: Final answer
    x = 459.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.