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Finding the Fourth Proportional to 368.50, 552.34 and 222.44

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Solution

The fourth proportional to 368.50, 552.34 and 222.44 is: 333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.50 : 552.34 = 222.44 : x
  2. Step 2: Convert to fraction form
    368.50/552.34 = 222.44/x
  3. Step 3: Cross multiply
    368.50x = 552.34 × 222.44
  4. Step 4: Simplify right side
    368.50x = 122,862.51
  5. Step 5: Solve for x
    x = 122,862.51/368.50
  6. Step 6: Final answer
    x = 333.41

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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.