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Finding the Fourth Proportional to 366.32, 548.24 and 222.14

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Solution

The fourth proportional to 366.32, 548.24 and 222.14 is: 332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.32 : 548.24 = 222.14 : x
  2. Step 2: Convert to fraction form
    366.32/548.24 = 222.14/x
  3. Step 3: Cross multiply
    366.32x = 548.24 × 222.14
  4. Step 4: Simplify right side
    366.32x = 121,782.18
  5. Step 5: Solve for x
    x = 121,782.18/366.32
  6. Step 6: Final answer
    x = 332.45

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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.