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Finding the Fourth Proportional to 355.55, 533.23 and 150.00

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Solution

The fourth proportional to 355.55, 533.23 and 150.00 is: 224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.55 : 533.23 = 150.00 : x
  2. Step 2: Convert to fraction form
    355.55/533.23 = 150.00/x
  3. Step 3: Cross multiply
    355.55x = 533.23 × 150.00
  4. Step 4: Simplify right side
    355.55x = 79,985.97
  5. Step 5: Solve for x
    x = 79,985.97/355.55
  6. Step 6: Final answer
    x = 224.97

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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.