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Finding the Fourth Proportional to 453.93, 625.10 and 443.71

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Solution

The fourth proportional to 453.93, 625.10 and 443.71 is: 611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.93 : 625.10 = 443.71 : x
  2. Step 2: Convert to fraction form
    453.93/625.10 = 443.71/x
  3. Step 3: Cross multiply
    453.93x = 625.10 × 443.71
  4. Step 4: Simplify right side
    453.93x = 277,363.12
  5. Step 5: Solve for x
    x = 277,363.12/453.93
  6. Step 6: Final answer
    x = 611.03

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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.