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Finding the Fourth Proportional to 551.01, 826.38 and 166.26

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Solution

The fourth proportional to 551.01, 826.38 and 166.26 is: 249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.01 : 826.38 = 166.26 : x
  2. Step 2: Convert to fraction form
    551.01/826.38 = 166.26/x
  3. Step 3: Cross multiply
    551.01x = 826.38 × 166.26
  4. Step 4: Simplify right side
    551.01x = 137,393.94
  5. Step 5: Solve for x
    x = 137,393.94/551.01
  6. Step 6: Final answer
    x = 249.35

Related Problems

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Half scale
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Double scale
Find fourth proportional to 552.01, 827.88 and 167.26
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.