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Finding the Fourth Proportional to 355.91, 533.93 and 150.48

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Solution

The fourth proportional to 355.91, 533.93 and 150.48 is: 225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.91 : 533.93 = 150.48 : x
  2. Step 2: Convert to fraction form
    355.91/533.93 = 150.48/x
  3. Step 3: Cross multiply
    355.91x = 533.93 × 150.48
  4. Step 4: Simplify right side
    355.91x = 80,343.49
  5. Step 5: Solve for x
    x = 80,343.49/355.91
  6. Step 6: Final answer
    x = 225.74

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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.