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Finding the Fourth Proportional to 544.31, 816.46 and 219.67

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Solution

The fourth proportional to 544.31, 816.46 and 219.67 is: 329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.31 : 816.46 = 219.67 : x
  2. Step 2: Convert to fraction form
    544.31/816.46 = 219.67/x
  3. Step 3: Cross multiply
    544.31x = 816.46 × 219.67
  4. Step 4: Simplify right side
    544.31x = 179,351.22
  5. Step 5: Solve for x
    x = 179,351.22/544.31
  6. Step 6: Final answer
    x = 329.50

Related Problems

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Double scale
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Similar ratio
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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.