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Finding the Fourth Proportional to 242.93, 334.46 and 226.37

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Solution

The fourth proportional to 242.93, 334.46 and 226.37 is: 311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.93 : 334.46 = 226.37 : x
  2. Step 2: Convert to fraction form
    242.93/334.46 = 226.37/x
  3. Step 3: Cross multiply
    242.93x = 334.46 × 226.37
  4. Step 4: Simplify right side
    242.93x = 75,710.60
  5. Step 5: Solve for x
    x = 75,710.60/242.93
  6. Step 6: Final answer
    x = 311.66

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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.