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Finding the Fourth Proportional to 366.13, 548.64 and 183.31

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Solution

The fourth proportional to 366.13, 548.64 and 183.31 is: 274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.13 : 548.64 = 183.31 : x
  2. Step 2: Convert to fraction form
    366.13/548.64 = 183.31/x
  3. Step 3: Cross multiply
    366.13x = 548.64 × 183.31
  4. Step 4: Simplify right side
    366.13x = 100,571.20
  5. Step 5: Solve for x
    x = 100,571.20/366.13
  6. Step 6: Final answer
    x = 274.69

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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.