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Finding the Fourth Proportional to 373.94, 518.68 and 363.95

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Solution

The fourth proportional to 373.94, 518.68 and 363.95 is: 504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.94 : 518.68 = 363.95 : x
  2. Step 2: Convert to fraction form
    373.94/518.68 = 363.95/x
  3. Step 3: Cross multiply
    373.94x = 518.68 × 363.95
  4. Step 4: Simplify right side
    373.94x = 188,770.08
  5. Step 5: Solve for x
    x = 188,770.08/373.94
  6. Step 6: Final answer
    x = 504.82

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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.