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Finding the Fourth Proportional to 468.19, 702.29 and 194.29

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Solution

The fourth proportional to 468.19, 702.29 and 194.29 is: 291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.19 : 702.29 = 194.29 : x
  2. Step 2: Convert to fraction form
    468.19/702.29 = 194.29/x
  3. Step 3: Cross multiply
    468.19x = 702.29 × 194.29
  4. Step 4: Simplify right side
    468.19x = 136,445.20
  5. Step 5: Solve for x
    x = 136,445.20/468.19
  6. Step 6: Final answer
    x = 291.43

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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.