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Finding the Fourth Proportional to 375.41, 518.33 and 335.95

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Solution

The fourth proportional to 375.41, 518.33 and 335.95 is: 463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.41 : 518.33 = 335.95 : x
  2. Step 2: Convert to fraction form
    375.41/518.33 = 335.95/x
  3. Step 3: Cross multiply
    375.41x = 518.33 × 335.95
  4. Step 4: Simplify right side
    375.41x = 174,131.93
  5. Step 5: Solve for x
    x = 174,131.93/375.41
  6. Step 6: Final answer
    x = 463.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.