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Finding the Fourth Proportional to 453.38, 680.06 and 248.05

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Solution

The fourth proportional to 453.38, 680.06 and 248.05 is: 372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.38 : 680.06 = 248.05 : x
  2. Step 2: Convert to fraction form
    453.38/680.06 = 248.05/x
  3. Step 3: Cross multiply
    453.38x = 680.06 × 248.05
  4. Step 4: Simplify right side
    453.38x = 168,684.24
  5. Step 5: Solve for x
    x = 168,684.24/453.38
  6. Step 6: Final answer
    x = 372.06

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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.