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Finding the Fourth Proportional to 355.22, 533.34 and 226.04

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Solution

The fourth proportional to 355.22, 533.34 and 226.04 is: 339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.22 : 533.34 = 226.04 : x
  2. Step 2: Convert to fraction form
    355.22/533.34 = 226.04/x
  3. Step 3: Cross multiply
    355.22x = 533.34 × 226.04
  4. Step 4: Simplify right side
    355.22x = 120,553.51
  5. Step 5: Solve for x
    x = 120,553.51/355.22
  6. Step 6: Final answer
    x = 339.38

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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.