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Finding the Fourth Proportional to 260.67, 360 and 162.48

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Solution

The fourth proportional to 260.67, 360 and 162.48 is: 224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.67 : 360 = 162.48 : x
  2. Step 2: Convert to fraction form
    260.67/360 = 162.48/x
  3. Step 3: Cross multiply
    260.67x = 360 × 162.48
  4. Step 4: Simplify right side
    260.67x = 58,492.80
  5. Step 5: Solve for x
    x = 58,492.80/260.67
  6. Step 6: Final answer
    x = 224.39

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1.5x scale

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.