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Finding the Fourth Proportional to 322.83, 484.52 and 225.36

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Solution

The fourth proportional to 322.83, 484.52 and 225.36 is: 338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.83 : 484.52 = 225.36 : x
  2. Step 2: Convert to fraction form
    322.83/484.52 = 225.36/x
  3. Step 3: Cross multiply
    322.83x = 484.52 × 225.36
  4. Step 4: Simplify right side
    322.83x = 109,190.30
  5. Step 5: Solve for x
    x = 109,190.30/322.83
  6. Step 6: Final answer
    x = 338.23

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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.