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Finding the Fourth Proportional to 286.58, 429.57 and 195.29

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Solution

The fourth proportional to 286.58, 429.57 and 195.29 is: 292.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.58 : 429.57 = 195.29 : x
  2. Step 2: Convert to fraction form
    286.58/429.57 = 195.29/x
  3. Step 3: Cross multiply
    286.58x = 429.57 × 195.29
  4. Step 4: Simplify right side
    286.58x = 83,890.73
  5. Step 5: Solve for x
    x = 83,890.73/286.58
  6. Step 6: Final answer
    x = 292.73

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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.