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Finding the Fourth Proportional to 322.32, 442.44 and 293.16

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Solution

The fourth proportional to 322.32, 442.44 and 293.16 is: 402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.32 : 442.44 = 293.16 : x
  2. Step 2: Convert to fraction form
    322.32/442.44 = 293.16/x
  3. Step 3: Cross multiply
    322.32x = 442.44 × 293.16
  4. Step 4: Simplify right side
    322.32x = 129,705.71
  5. Step 5: Solve for x
    x = 129,705.71/322.32
  6. Step 6: Final answer
    x = 402.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.