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Finding the Fourth Proportional to 366.24, 505.47 and 226.50

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Solution

The fourth proportional to 366.24, 505.47 and 226.50 is: 312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 505.47 = 226.50 : x
  2. Step 2: Convert to fraction form
    366.24/505.47 = 226.50/x
  3. Step 3: Cross multiply
    366.24x = 505.47 × 226.50
  4. Step 4: Simplify right side
    366.24x = 114,488.96
  5. Step 5: Solve for x
    x = 114,488.96/366.24
  6. Step 6: Final answer
    x = 312.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.