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Finding the Fourth Proportional to 402.51, 604.44 and 248.43

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Solution

The fourth proportional to 402.51, 604.44 and 248.43 is: 373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.51 : 604.44 = 248.43 : x
  2. Step 2: Convert to fraction form
    402.51/604.44 = 248.43/x
  3. Step 3: Cross multiply
    402.51x = 604.44 × 248.43
  4. Step 4: Simplify right side
    402.51x = 150,161.03
  5. Step 5: Solve for x
    x = 150,161.03/402.51
  6. Step 6: Final answer
    x = 373.06

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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.