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Finding the Fourth Proportional to 366.15, 549.21 and 92.24

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Solution

The fourth proportional to 366.15, 549.21 and 92.24 is: 138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.15 : 549.21 = 92.24 : x
  2. Step 2: Convert to fraction form
    366.15/549.21 = 92.24/x
  3. Step 3: Cross multiply
    366.15x = 549.21 × 92.24
  4. Step 4: Simplify right side
    366.15x = 50,656.38
  5. Step 5: Solve for x
    x = 50,656.38/366.15
  6. Step 6: Final answer
    x = 138.35

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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.