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Finding the Fourth Proportional to 375.07, 517.62 and 227.83

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Solution

The fourth proportional to 375.07, 517.62 and 227.83 is: 314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.07 : 517.62 = 227.83 : x
  2. Step 2: Convert to fraction form
    375.07/517.62 = 227.83/x
  3. Step 3: Cross multiply
    375.07x = 517.62 × 227.83
  4. Step 4: Simplify right side
    375.07x = 117,929.36
  5. Step 5: Solve for x
    x = 117,929.36/375.07
  6. Step 6: Final answer
    x = 314.42

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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.