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Finding the Fourth Proportional to 615.98, 853.73 and 604.46

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Solution

The fourth proportional to 615.98, 853.73 and 604.46 is: 837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.98 : 853.73 = 604.46 : x
  2. Step 2: Convert to fraction form
    615.98/853.73 = 604.46/x
  3. Step 3: Cross multiply
    615.98x = 853.73 × 604.46
  4. Step 4: Simplify right side
    615.98x = 516,042.61
  5. Step 5: Solve for x
    x = 516,042.61/615.98
  6. Step 6: Final answer
    x = 837.76

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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.