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Finding the Fourth Proportional to 375.46, 518.06 and 227.99

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Solution

The fourth proportional to 375.46, 518.06 and 227.99 is: 314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.46 : 518.06 = 227.99 : x
  2. Step 2: Convert to fraction form
    375.46/518.06 = 227.99/x
  3. Step 3: Cross multiply
    375.46x = 518.06 × 227.99
  4. Step 4: Simplify right side
    375.46x = 118,114.36
  5. Step 5: Solve for x
    x = 118,114.36/375.46
  6. Step 6: Final answer
    x = 314.59

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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.