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Finding the Fourth Proportional to 627.04, 940.38 and 188.33

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Solution

The fourth proportional to 627.04, 940.38 and 188.33 is: 282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.04 : 940.38 = 188.33 : x
  2. Step 2: Convert to fraction form
    627.04/940.38 = 188.33/x
  3. Step 3: Cross multiply
    627.04x = 940.38 × 188.33
  4. Step 4: Simplify right side
    627.04x = 177,097.95
  5. Step 5: Solve for x
    x = 177,097.95/627.04
  6. Step 6: Final answer
    x = 282.43

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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.