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Finding the Fourth Proportional to 361.11, 500.97 and 348.15

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Solution

The fourth proportional to 361.11, 500.97 and 348.15 is: 482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.11 : 500.97 = 348.15 : x
  2. Step 2: Convert to fraction form
    361.11/500.97 = 348.15/x
  3. Step 3: Cross multiply
    361.11x = 500.97 × 348.15
  4. Step 4: Simplify right side
    361.11x = 174,412.71
  5. Step 5: Solve for x
    x = 174,412.71/361.11
  6. Step 6: Final answer
    x = 482.99

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.