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Finding the Fourth Proportional to 308.14, 425.22 and 175.36

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Solution

The fourth proportional to 308.14, 425.22 and 175.36 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.14 : 425.22 = 175.36 : x
  2. Step 2: Convert to fraction form
    308.14/425.22 = 175.36/x
  3. Step 3: Cross multiply
    308.14x = 425.22 × 175.36
  4. Step 4: Simplify right side
    308.14x = 74,566.58
  5. Step 5: Solve for x
    x = 74,566.58/308.14
  6. Step 6: Final answer
    x = 241.99

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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.