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Finding the Fourth Proportional to 293.28, 441.48 and 225.18

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Solution

The fourth proportional to 293.28, 441.48 and 225.18 is: 338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.28 : 441.48 = 225.18 : x
  2. Step 2: Convert to fraction form
    293.28/441.48 = 225.18/x
  3. Step 3: Cross multiply
    293.28x = 441.48 × 225.18
  4. Step 4: Simplify right side
    293.28x = 99,412.47
  5. Step 5: Solve for x
    x = 99,412.47/293.28
  6. Step 6: Final answer
    x = 338.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.