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Finding the Fourth Proportional to 627.41, 940.95 and 334.64

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Solution

The fourth proportional to 627.41, 940.95 and 334.64 is: 501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.41 : 940.95 = 334.64 : x
  2. Step 2: Convert to fraction form
    627.41/940.95 = 334.64/x
  3. Step 3: Cross multiply
    627.41x = 940.95 × 334.64
  4. Step 4: Simplify right side
    627.41x = 314,879.51
  5. Step 5: Solve for x
    x = 314,879.51/627.41
  6. Step 6: Final answer
    x = 501.87

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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.