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Finding the Fourth Proportional to 376.01, 518.86 and 207.95

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Solution

The fourth proportional to 376.01, 518.86 and 207.95 is: 286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.01 : 518.86 = 207.95 : x
  2. Step 2: Convert to fraction form
    376.01/518.86 = 207.95/x
  3. Step 3: Cross multiply
    376.01x = 518.86 × 207.95
  4. Step 4: Simplify right side
    376.01x = 107,894.60
  5. Step 5: Solve for x
    x = 107,894.60/376.01
  6. Step 6: Final answer
    x = 286.95

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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.