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Finding the Fourth Proportional to 262.46, 361.82 and 213.26

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Solution

The fourth proportional to 262.46, 361.82 and 213.26 is: 293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.46 : 361.82 = 213.26 : x
  2. Step 2: Convert to fraction form
    262.46/361.82 = 213.26/x
  3. Step 3: Cross multiply
    262.46x = 361.82 × 213.26
  4. Step 4: Simplify right side
    262.46x = 77,158.86
  5. Step 5: Solve for x
    x = 77,158.86/262.46
  6. Step 6: Final answer
    x = 293.99

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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.