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Finding the Fourth Proportional to 362.96, 544.16 and 157.36

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Solution

The fourth proportional to 362.96, 544.16 and 157.36 is: 235.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.96 : 544.16 = 157.36 : x
  2. Step 2: Convert to fraction form
    362.96/544.16 = 157.36/x
  3. Step 3: Cross multiply
    362.96x = 544.16 × 157.36
  4. Step 4: Simplify right side
    362.96x = 85,629.02
  5. Step 5: Solve for x
    x = 85,629.02/362.96
  6. Step 6: Final answer
    x = 235.92

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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.