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Finding the Fourth Proportional to 468.42, 702.89 and 224.97

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Solution

The fourth proportional to 468.42, 702.89 and 224.97 is: 337.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.42 : 702.89 = 224.97 : x
  2. Step 2: Convert to fraction form
    468.42/702.89 = 224.97/x
  3. Step 3: Cross multiply
    468.42x = 702.89 × 224.97
  4. Step 4: Simplify right side
    468.42x = 158,128.04
  5. Step 5: Solve for x
    x = 158,128.04/468.42
  6. Step 6: Final answer
    x = 337.58

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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.