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Finding the Fourth Proportional to 366.24, 549.57 and 146.82

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Solution

The fourth proportional to 366.24, 549.57 and 146.82 is: 220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 549.57 = 146.82 : x
  2. Step 2: Convert to fraction form
    366.24/549.57 = 146.82/x
  3. Step 3: Cross multiply
    366.24x = 549.57 × 146.82
  4. Step 4: Simplify right side
    366.24x = 80,687.87
  5. Step 5: Solve for x
    x = 80,687.87/366.24
  6. Step 6: Final answer
    x = 220.31

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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.