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Finding the Fourth Proportional to 260.63, 359.34 and 167.22

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Solution

The fourth proportional to 260.63, 359.34 and 167.22 is: 230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.63 : 359.34 = 167.22 : x
  2. Step 2: Convert to fraction form
    260.63/359.34 = 167.22/x
  3. Step 3: Cross multiply
    260.63x = 359.34 × 167.22
  4. Step 4: Simplify right side
    260.63x = 60,088.83
  5. Step 5: Solve for x
    x = 60,088.83/260.63
  6. Step 6: Final answer
    x = 230.55

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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.