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Finding the Fourth Proportional to 627.73, 942.08 and 354.06

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Solution

The fourth proportional to 627.73, 942.08 and 354.06 is: 531.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.73 : 942.08 = 354.06 : x
  2. Step 2: Convert to fraction form
    627.73/942.08 = 354.06/x
  3. Step 3: Cross multiply
    627.73x = 942.08 × 354.06
  4. Step 4: Simplify right side
    627.73x = 333,551.07
  5. Step 5: Solve for x
    x = 333,551.07/627.73
  6. Step 6: Final answer
    x = 531.36

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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.