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Finding the Fourth Proportional to 258.58, 385.25 and 244.54

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Solution

The fourth proportional to 258.58, 385.25 and 244.54 is: 364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    258.58 : 385.25 = 244.54 : x
  2. Step 2: Convert to fraction form
    258.58/385.25 = 244.54/x
  3. Step 3: Cross multiply
    258.58x = 385.25 × 244.54
  4. Step 4: Simplify right side
    258.58x = 94,209.04
  5. Step 5: Solve for x
    x = 94,209.04/258.58
  6. Step 6: Final answer
    x = 364.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.