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Finding the Fourth Proportional to 453.08, 680.03 and 236.81

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Solution

The fourth proportional to 453.08, 680.03 and 236.81 is: 355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.08 : 680.03 = 236.81 : x
  2. Step 2: Convert to fraction form
    453.08/680.03 = 236.81/x
  3. Step 3: Cross multiply
    453.08x = 680.03 × 236.81
  4. Step 4: Simplify right side
    453.08x = 161,033.32
  5. Step 5: Solve for x
    x = 161,033.32/453.08
  6. Step 6: Final answer
    x = 355.42

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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.