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Finding the Fourth Proportional to 627.65, 941.51 and 353.97

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Solution

The fourth proportional to 627.65, 941.51 and 353.97 is: 530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.65 : 941.51 = 353.97 : x
  2. Step 2: Convert to fraction form
    627.65/941.51 = 353.97/x
  3. Step 3: Cross multiply
    627.65x = 941.51 × 353.97
  4. Step 4: Simplify right side
    627.65x = 333,266.29
  5. Step 5: Solve for x
    x = 333,266.29/627.65
  6. Step 6: Final answer
    x = 530.97

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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.