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Finding the Fourth Proportional to 245.27, 366.15 and 236.73

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Solution

The fourth proportional to 245.27, 366.15 and 236.73 is: 353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.27 : 366.15 = 236.73 : x
  2. Step 2: Convert to fraction form
    245.27/366.15 = 236.73/x
  3. Step 3: Cross multiply
    245.27x = 366.15 × 236.73
  4. Step 4: Simplify right side
    245.27x = 86,678.69
  5. Step 5: Solve for x
    x = 86,678.69/245.27
  6. Step 6: Final answer
    x = 353.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.