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Finding the Fourth Proportional to 627.51, 940.07 and 352.77

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Solution

The fourth proportional to 627.51, 940.07 and 352.77 is: 528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.51 : 940.07 = 352.77 : x
  2. Step 2: Convert to fraction form
    627.51/940.07 = 352.77/x
  3. Step 3: Cross multiply
    627.51x = 940.07 × 352.77
  4. Step 4: Simplify right side
    627.51x = 331,628.49
  5. Step 5: Solve for x
    x = 331,628.49/627.51
  6. Step 6: Final answer
    x = 528.48

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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.