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Finding the Fourth Proportional to 452.12, 673.79 and 441.18

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Solution

The fourth proportional to 452.12, 673.79 and 441.18 is: 657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    452.12 : 673.79 = 441.18 : x
  2. Step 2: Convert to fraction form
    452.12/673.79 = 441.18/x
  3. Step 3: Cross multiply
    452.12x = 673.79 × 441.18
  4. Step 4: Simplify right side
    452.12x = 297,260.47
  5. Step 5: Solve for x
    x = 297,260.47/452.12
  6. Step 6: Final answer
    x = 657.49

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1.5x scale

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.