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Finding the Fourth Proportional to 262.58, 362.34 and 164.30

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Solution

The fourth proportional to 262.58, 362.34 and 164.30 is: 226.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.58 : 362.34 = 164.30 : x
  2. Step 2: Convert to fraction form
    262.58/362.34 = 164.30/x
  3. Step 3: Cross multiply
    262.58x = 362.34 × 164.30
  4. Step 4: Simplify right side
    262.58x = 59,530.65
  5. Step 5: Solve for x
    x = 59,530.65/262.58
  6. Step 6: Final answer
    x = 226.72

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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.