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Finding the Fourth Proportional to 468.80, 702.43 and 160.49

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Solution

The fourth proportional to 468.80, 702.43 and 160.49 is: 240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.80 : 702.43 = 160.49 : x
  2. Step 2: Convert to fraction form
    468.80/702.43 = 160.49/x
  3. Step 3: Cross multiply
    468.80x = 702.43 × 160.49
  4. Step 4: Simplify right side
    468.80x = 112,731.30
  5. Step 5: Solve for x
    x = 112,731.30/468.80
  6. Step 6: Final answer
    x = 240.47

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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.