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Finding the Fourth Proportional to 227.76, 314.44 and 150.26

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Solution

The fourth proportional to 227.76, 314.44 and 150.26 is: 207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.76 : 314.44 = 150.26 : x
  2. Step 2: Convert to fraction form
    227.76/314.44 = 150.26/x
  3. Step 3: Cross multiply
    227.76x = 314.44 × 150.26
  4. Step 4: Simplify right side
    227.76x = 47,247.75
  5. Step 5: Solve for x
    x = 47,247.75/227.76
  6. Step 6: Final answer
    x = 207.45

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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.