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Finding the Fourth Proportional to 262.74, 363.44 and 245.01

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Solution

The fourth proportional to 262.74, 363.44 and 245.01 is: 338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.74 : 363.44 = 245.01 : x
  2. Step 2: Convert to fraction form
    262.74/363.44 = 245.01/x
  3. Step 3: Cross multiply
    262.74x = 363.44 × 245.01
  4. Step 4: Simplify right side
    262.74x = 89,045.21
  5. Step 5: Solve for x
    x = 89,045.21/262.74
  6. Step 6: Final answer
    x = 338.91

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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.