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Finding the Fourth Proportional to 511.27, 704.91 and 441.20

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Solution

The fourth proportional to 511.27, 704.91 and 441.20 is: 608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.27 : 704.91 = 441.20 : x
  2. Step 2: Convert to fraction form
    511.27/704.91 = 441.20/x
  3. Step 3: Cross multiply
    511.27x = 704.91 × 441.20
  4. Step 4: Simplify right side
    511.27x = 311,006.29
  5. Step 5: Solve for x
    x = 311,006.29/511.27
  6. Step 6: Final answer
    x = 608.30

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.