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Finding the Fourth Proportional to 264.14, 395.76 and 254.58

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Solution

The fourth proportional to 264.14, 395.76 and 254.58 is: 381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.14 : 395.76 = 254.58 : x
  2. Step 2: Convert to fraction form
    264.14/395.76 = 254.58/x
  3. Step 3: Cross multiply
    264.14x = 395.76 × 254.58
  4. Step 4: Simplify right side
    264.14x = 100,750.62
  5. Step 5: Solve for x
    x = 100,750.62/264.14
  6. Step 6: Final answer
    x = 381.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.