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Finding the Fourth Proportional to 362.95, 544.21 and 157.48

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Solution

The fourth proportional to 362.95, 544.21 and 157.48 is: 236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.95 : 544.21 = 157.48 : x
  2. Step 2: Convert to fraction form
    362.95/544.21 = 157.48/x
  3. Step 3: Cross multiply
    362.95x = 544.21 × 157.48
  4. Step 4: Simplify right side
    362.95x = 85,702.19
  5. Step 5: Solve for x
    x = 85,702.19/362.95
  6. Step 6: Final answer
    x = 236.13

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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.