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Finding the Fourth Proportional to 843.35, 1,264.82 and 295.38

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Solution

The fourth proportional to 843.35, 1,264.82 and 295.38 is: 443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    843.35 : 1,264.82 = 295.38 : x
  2. Step 2: Convert to fraction form
    843.35/1,264.82 = 295.38/x
  3. Step 3: Cross multiply
    843.35x = 1,264.82 × 295.38
  4. Step 4: Simplify right side
    843.35x = 373,601.05
  5. Step 5: Solve for x
    x = 373,601.05/843.35
  6. Step 6: Final answer
    x = 443.00

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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.