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Finding the Fourth Proportional to 324.88, 486.52 and 227.26

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Solution

The fourth proportional to 324.88, 486.52 and 227.26 is: 340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.88 : 486.52 = 227.26 : x
  2. Step 2: Convert to fraction form
    324.88/486.52 = 227.26/x
  3. Step 3: Cross multiply
    324.88x = 486.52 × 227.26
  4. Step 4: Simplify right side
    324.88x = 110,566.54
  5. Step 5: Solve for x
    x = 110,566.54/324.88
  6. Step 6: Final answer
    x = 340.33

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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.