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Finding the Fourth Proportional to 362.21, 542.84 and 232.16

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Solution

The fourth proportional to 362.21, 542.84 and 232.16 is: 347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.21 : 542.84 = 232.16 : x
  2. Step 2: Convert to fraction form
    362.21/542.84 = 232.16/x
  3. Step 3: Cross multiply
    362.21x = 542.84 × 232.16
  4. Step 4: Simplify right side
    362.21x = 126,023.60
  5. Step 5: Solve for x
    x = 126,023.60/362.21
  6. Step 6: Final answer
    x = 347.93

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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.