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Finding the Fourth Proportional to 606.22, 834.86 and 551.54

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Solution

The fourth proportional to 606.22, 834.86 and 551.54 is: 759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.22 : 834.86 = 551.54 : x
  2. Step 2: Convert to fraction form
    606.22/834.86 = 551.54/x
  3. Step 3: Cross multiply
    606.22x = 834.86 × 551.54
  4. Step 4: Simplify right side
    606.22x = 460,462.15
  5. Step 5: Solve for x
    x = 460,462.15/606.22
  6. Step 6: Final answer
    x = 759.57

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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.