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Finding the Fourth Proportional to 362.91, 544.33 and 157.33

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Solution

The fourth proportional to 362.91, 544.33 and 157.33 is: 235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.91 : 544.33 = 157.33 : x
  2. Step 2: Convert to fraction form
    362.91/544.33 = 157.33/x
  3. Step 3: Cross multiply
    362.91x = 544.33 × 157.33
  4. Step 4: Simplify right side
    362.91x = 85,639.44
  5. Step 5: Solve for x
    x = 85,639.44/362.91
  6. Step 6: Final answer
    x = 235.98

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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.