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Finding the Fourth Proportional to 227.60, 342 and 150.64

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Solution

The fourth proportional to 227.60, 342 and 150.64 is: 226.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.60 : 342 = 150.64 : x
  2. Step 2: Convert to fraction form
    227.60/342 = 150.64/x
  3. Step 3: Cross multiply
    227.60x = 342 × 150.64
  4. Step 4: Simplify right side
    227.60x = 51,518.88
  5. Step 5: Solve for x
    x = 51,518.88/227.60
  6. Step 6: Final answer
    x = 226.36

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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.