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Finding the Fourth Proportional to 355.46, 533.08 and 150.02

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Solution

The fourth proportional to 355.46, 533.08 and 150.02 is: 224.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.46 : 533.08 = 150.02 : x
  2. Step 2: Convert to fraction form
    355.46/533.08 = 150.02/x
  3. Step 3: Cross multiply
    355.46x = 533.08 × 150.02
  4. Step 4: Simplify right side
    355.46x = 79,974.18
  5. Step 5: Solve for x
    x = 79,974.18/355.46
  6. Step 6: Final answer
    x = 224.99

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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.