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Finding the Fourth Proportional to 611.82, 847.62 and 596.79

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Solution

The fourth proportional to 611.82, 847.62 and 596.79 is: 826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.82 : 847.62 = 596.79 : x
  2. Step 2: Convert to fraction form
    611.82/847.62 = 596.79/x
  3. Step 3: Cross multiply
    611.82x = 847.62 × 596.79
  4. Step 4: Simplify right side
    611.82x = 505,851.14
  5. Step 5: Solve for x
    x = 505,851.14/611.82
  6. Step 6: Final answer
    x = 826.80

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.