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Finding the Fourth Proportional to 624.44, 940.39 and 544.25

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Solution

The fourth proportional to 624.44, 940.39 and 544.25 is: 819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.44 : 940.39 = 544.25 : x
  2. Step 2: Convert to fraction form
    624.44/940.39 = 544.25/x
  3. Step 3: Cross multiply
    624.44x = 940.39 × 544.25
  4. Step 4: Simplify right side
    624.44x = 511,808.25
  5. Step 5: Solve for x
    x = 511,808.25/624.44
  6. Step 6: Final answer
    x = 819.62

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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.