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Finding the Fourth Proportional to 268.62, 370.47 and 164.94

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Solution

The fourth proportional to 268.62, 370.47 and 164.94 is: 227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.62 : 370.47 = 164.94 : x
  2. Step 2: Convert to fraction form
    268.62/370.47 = 164.94/x
  3. Step 3: Cross multiply
    268.62x = 370.47 × 164.94
  4. Step 4: Simplify right side
    268.62x = 61,105.32
  5. Step 5: Solve for x
    x = 61,105.32/268.62
  6. Step 6: Final answer
    x = 227.48

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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.