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Finding the Fourth Proportional to 366.42, 549.36 and 160.95

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Solution

The fourth proportional to 366.42, 549.36 and 160.95 is: 241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.42 : 549.36 = 160.95 : x
  2. Step 2: Convert to fraction form
    366.42/549.36 = 160.95/x
  3. Step 3: Cross multiply
    366.42x = 549.36 × 160.95
  4. Step 4: Simplify right side
    366.42x = 88,419.49
  5. Step 5: Solve for x
    x = 88,419.49/366.42
  6. Step 6: Final answer
    x = 241.31

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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.