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Finding the Fourth Proportional to 329.24, 453.30 and 263.36

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Solution

The fourth proportional to 329.24, 453.30 and 263.36 is: 362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.24 : 453.30 = 263.36 : x
  2. Step 2: Convert to fraction form
    329.24/453.30 = 263.36/x
  3. Step 3: Cross multiply
    329.24x = 453.30 × 263.36
  4. Step 4: Simplify right side
    329.24x = 119,381.09
  5. Step 5: Solve for x
    x = 119,381.09/329.24
  6. Step 6: Final answer
    x = 362.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.