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Finding the Fourth Proportional to 254.87, 353.64 and 244.58

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Solution

The fourth proportional to 254.87, 353.64 and 244.58 is: 339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.87 : 353.64 = 244.58 : x
  2. Step 2: Convert to fraction form
    254.87/353.64 = 244.58/x
  3. Step 3: Cross multiply
    254.87x = 353.64 × 244.58
  4. Step 4: Simplify right side
    254.87x = 86,494.16
  5. Step 5: Solve for x
    x = 86,494.16/254.87
  6. Step 6: Final answer
    x = 339.37

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.