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Finding the Fourth Proportional to 468.11, 702.16 and 252.11

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Solution

The fourth proportional to 468.11, 702.16 and 252.11 is: 378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.11 : 702.16 = 252.11 : x
  2. Step 2: Convert to fraction form
    468.11/702.16 = 252.11/x
  3. Step 3: Cross multiply
    468.11x = 702.16 × 252.11
  4. Step 4: Simplify right side
    468.11x = 177,021.56
  5. Step 5: Solve for x
    x = 177,021.56/468.11
  6. Step 6: Final answer
    x = 378.16

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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.