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Finding the Fourth Proportional to 263.94, 396.05 and 230.13

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Solution

The fourth proportional to 263.94, 396.05 and 230.13 is: 345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.94 : 396.05 = 230.13 : x
  2. Step 2: Convert to fraction form
    263.94/396.05 = 230.13/x
  3. Step 3: Cross multiply
    263.94x = 396.05 × 230.13
  4. Step 4: Simplify right side
    263.94x = 91,141.84
  5. Step 5: Solve for x
    x = 91,141.84/263.94
  6. Step 6: Final answer
    x = 345.31

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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.