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Finding the Fourth Proportional to 1,184.39, 1,776.85 and 453.97

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Solution

The fourth proportional to 1,184.39, 1,776.85 and 453.97 is: 681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.39 : 1,776.85 = 453.97 : x
  2. Step 2: Convert to fraction form
    1,184.39/1,776.85 = 453.97/x
  3. Step 3: Cross multiply
    1,184.39x = 1,776.85 × 453.97
  4. Step 4: Simplify right side
    1,184.39x = 806,640.23
  5. Step 5: Solve for x
    x = 806,640.23/1,184.39
  6. Step 6: Final answer
    x = 681.06

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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.