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Finding the Fourth Proportional to 453.59, 676.68 and 441.03

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Solution

The fourth proportional to 453.59, 676.68 and 441.03 is: 657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.59 : 676.68 = 441.03 : x
  2. Step 2: Convert to fraction form
    453.59/676.68 = 441.03/x
  3. Step 3: Cross multiply
    453.59x = 676.68 × 441.03
  4. Step 4: Simplify right side
    453.59x = 298,433.98
  5. Step 5: Solve for x
    x = 298,433.98/453.59
  6. Step 6: Final answer
    x = 657.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.