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Finding the Fourth Proportional to 551.50, 826.22 and 277.27

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Solution

The fourth proportional to 551.50, 826.22 and 277.27 is: 415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.50 : 826.22 = 277.27 : x
  2. Step 2: Convert to fraction form
    551.50/826.22 = 277.27/x
  3. Step 3: Cross multiply
    551.50x = 826.22 × 277.27
  4. Step 4: Simplify right side
    551.50x = 229,086.02
  5. Step 5: Solve for x
    x = 229,086.02/551.50
  6. Step 6: Final answer
    x = 415.39

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.