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Finding the Fourth Proportional to 248.06, 373.61 and 223.97

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Solution

The fourth proportional to 248.06, 373.61 and 223.97 is: 337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.06 : 373.61 = 223.97 : x
  2. Step 2: Convert to fraction form
    248.06/373.61 = 223.97/x
  3. Step 3: Cross multiply
    248.06x = 373.61 × 223.97
  4. Step 4: Simplify right side
    248.06x = 83,676.12
  5. Step 5: Solve for x
    x = 83,676.12/248.06
  6. Step 6: Final answer
    x = 337.32

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.