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Finding the Fourth Proportional to 263.08, 363.06 and 230.44

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Solution

The fourth proportional to 263.08, 363.06 and 230.44 is: 318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.08 : 363.06 = 230.44 : x
  2. Step 2: Convert to fraction form
    263.08/363.06 = 230.44/x
  3. Step 3: Cross multiply
    263.08x = 363.06 × 230.44
  4. Step 4: Simplify right side
    263.08x = 83,663.55
  5. Step 5: Solve for x
    x = 83,663.55/263.08
  6. Step 6: Final answer
    x = 318.02

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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.