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Finding the Fourth Proportional to 550.85, 826.28 and 185.67

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Solution

The fourth proportional to 550.85, 826.28 and 185.67 is: 278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    550.85 : 826.28 = 185.67 : x
  2. Step 2: Convert to fraction form
    550.85/826.28 = 185.67/x
  3. Step 3: Cross multiply
    550.85x = 826.28 × 185.67
  4. Step 4: Simplify right side
    550.85x = 153,412.33
  5. Step 5: Solve for x
    x = 153,412.33/550.85
  6. Step 6: Final answer
    x = 278.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 551.85, 827.78 and 186.67
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.