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Finding the Fourth Proportional to 368.37, 552.22 and 231.00

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Solution

The fourth proportional to 368.37, 552.22 and 231.00 is: 346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.37 : 552.22 = 231.00 : x
  2. Step 2: Convert to fraction form
    368.37/552.22 = 231.00/x
  3. Step 3: Cross multiply
    368.37x = 552.22 × 231.00
  4. Step 4: Simplify right side
    368.37x = 127,563.28
  5. Step 5: Solve for x
    x = 127,563.28/368.37
  6. Step 6: Final answer
    x = 346.29

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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.