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Finding the Fourth Proportional to 301.28, 453.56 and 233.18

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Solution

The fourth proportional to 301.28, 453.56 and 233.18 is: 351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.28 : 453.56 = 233.18 : x
  2. Step 2: Convert to fraction form
    301.28/453.56 = 233.18/x
  3. Step 3: Cross multiply
    301.28x = 453.56 × 233.18
  4. Step 4: Simplify right side
    301.28x = 105,761.12
  5. Step 5: Solve for x
    x = 105,761.12/301.28
  6. Step 6: Final answer
    x = 351.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.