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Finding the Fourth Proportional to 453.80, 681.02 and 180.12

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Solution

The fourth proportional to 453.80, 681.02 and 180.12 is: 270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.80 : 681.02 = 180.12 : x
  2. Step 2: Convert to fraction form
    453.80/681.02 = 180.12/x
  3. Step 3: Cross multiply
    453.80x = 681.02 × 180.12
  4. Step 4: Simplify right side
    453.80x = 122,665.32
  5. Step 5: Solve for x
    x = 122,665.32/453.80
  6. Step 6: Final answer
    x = 270.31

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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.