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Finding the Fourth Proportional to 615.82, 853.18 and 600.79

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Solution

The fourth proportional to 615.82, 853.18 and 600.79 is: 832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.82 : 853.18 = 600.79 : x
  2. Step 2: Convert to fraction form
    615.82/853.18 = 600.79/x
  3. Step 3: Cross multiply
    615.82x = 853.18 × 600.79
  4. Step 4: Simplify right side
    615.82x = 512,582.01
  5. Step 5: Solve for x
    x = 512,582.01/615.82
  6. Step 6: Final answer
    x = 832.36

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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.