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Finding the Fourth Proportional to 355.73, 533.44 and 150.19

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Solution

The fourth proportional to 355.73, 533.44 and 150.19 is: 225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.73 : 533.44 = 150.19 : x
  2. Step 2: Convert to fraction form
    355.73/533.44 = 150.19/x
  3. Step 3: Cross multiply
    355.73x = 533.44 × 150.19
  4. Step 4: Simplify right side
    355.73x = 80,115.64
  5. Step 5: Solve for x
    x = 80,115.64/355.73
  6. Step 6: Final answer
    x = 225.21

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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.