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Finding the Fourth Proportional to 551.73, 826.69 and 334.65

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Solution

The fourth proportional to 551.73, 826.69 and 334.65 is: 501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551.73 : 826.69 = 334.65 : x
  2. Step 2: Convert to fraction form
    551.73/826.69 = 334.65/x
  3. Step 3: Cross multiply
    551.73x = 826.69 × 334.65
  4. Step 4: Simplify right side
    551.73x = 276,651.81
  5. Step 5: Solve for x
    x = 276,651.81/551.73
  6. Step 6: Final answer
    x = 501.43

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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.