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Finding the Fourth Proportional to 676.92, 934.56 and 441.09

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Solution

The fourth proportional to 676.92, 934.56 and 441.09 is: 608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.92 : 934.56 = 441.09 : x
  2. Step 2: Convert to fraction form
    676.92/934.56 = 441.09/x
  3. Step 3: Cross multiply
    676.92x = 934.56 × 441.09
  4. Step 4: Simplify right side
    676.92x = 412,225.07
  5. Step 5: Solve for x
    x = 412,225.07/676.92
  6. Step 6: Final answer
    x = 608.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.