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Finding the Fourth Proportional to 248.89, 370.75 and 235.21

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Solution

The fourth proportional to 248.89, 370.75 and 235.21 is: 350.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.89 : 370.75 = 235.21 : x
  2. Step 2: Convert to fraction form
    248.89/370.75 = 235.21/x
  3. Step 3: Cross multiply
    248.89x = 370.75 × 235.21
  4. Step 4: Simplify right side
    248.89x = 87,204.70
  5. Step 5: Solve for x
    x = 87,204.70/248.89
  6. Step 6: Final answer
    x = 350.37

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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.