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Finding the Fourth Proportional to 352.08, 527.36 and 321.52

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Solution

The fourth proportional to 352.08, 527.36 and 321.52 is: 481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.08 : 527.36 = 321.52 : x
  2. Step 2: Convert to fraction form
    352.08/527.36 = 321.52/x
  3. Step 3: Cross multiply
    352.08x = 527.36 × 321.52
  4. Step 4: Simplify right side
    352.08x = 169,556.79
  5. Step 5: Solve for x
    x = 169,556.79/352.08
  6. Step 6: Final answer
    x = 481.59

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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.