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Finding the Fourth Proportional to 322.47, 444.48 and 296.37

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Solution

The fourth proportional to 322.47, 444.48 and 296.37 is: 408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.47 : 444.48 = 296.37 : x
  2. Step 2: Convert to fraction form
    322.47/444.48 = 296.37/x
  3. Step 3: Cross multiply
    322.47x = 444.48 × 296.37
  4. Step 4: Simplify right side
    322.47x = 131,730.54
  5. Step 5: Solve for x
    x = 131,730.54/322.47
  6. Step 6: Final answer
    x = 408.50

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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.