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Finding the Fourth Proportional to 551.52, 826.23 and 277.29

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Solution

The fourth proportional to 551.52, 826.23 and 277.29 is: 415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.52 : 826.23 = 277.29 : x
  2. Step 2: Convert to fraction form
    551.52/826.23 = 277.29/x
  3. Step 3: Cross multiply
    551.52x = 826.23 × 277.29
  4. Step 4: Simplify right side
    551.52x = 229,105.32
  5. Step 5: Solve for x
    x = 229,105.32/551.52
  6. Step 6: Final answer
    x = 415.41

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Double scale
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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.