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Finding the Fourth Proportional to 375.94, 518.95 and 323.27

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Solution

The fourth proportional to 375.94, 518.95 and 323.27 is: 446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.94 : 518.95 = 323.27 : x
  2. Step 2: Convert to fraction form
    375.94/518.95 = 323.27/x
  3. Step 3: Cross multiply
    375.94x = 518.95 × 323.27
  4. Step 4: Simplify right side
    375.94x = 167,758.90
  5. Step 5: Solve for x
    x = 167,758.90/375.94
  6. Step 6: Final answer
    x = 446.24

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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.