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Finding the Fourth Proportional to 544.26, 816.52 and 159.50

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Solution

The fourth proportional to 544.26, 816.52 and 159.50 is: 239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.26 : 816.52 = 159.50 : x
  2. Step 2: Convert to fraction form
    544.26/816.52 = 159.50/x
  3. Step 3: Cross multiply
    544.26x = 816.52 × 159.50
  4. Step 4: Simplify right side
    544.26x = 130,234.94
  5. Step 5: Solve for x
    x = 130,234.94/544.26
  6. Step 6: Final answer
    x = 239.29

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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.