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Finding the Fourth Proportional to 368.37, 552.75 and 163.14

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Solution

The fourth proportional to 368.37, 552.75 and 163.14 is: 244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.37 : 552.75 = 163.14 : x
  2. Step 2: Convert to fraction form
    368.37/552.75 = 163.14/x
  3. Step 3: Cross multiply
    368.37x = 552.75 × 163.14
  4. Step 4: Simplify right side
    368.37x = 90,175.64
  5. Step 5: Solve for x
    x = 90,175.64/368.37
  6. Step 6: Final answer
    x = 244.80

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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.