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Finding the Fourth Proportional to 348.43, 522.42 and 245.14

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Solution

The fourth proportional to 348.43, 522.42 and 245.14 is: 367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.43 : 522.42 = 245.14 : x
  2. Step 2: Convert to fraction form
    348.43/522.42 = 245.14/x
  3. Step 3: Cross multiply
    348.43x = 522.42 × 245.14
  4. Step 4: Simplify right side
    348.43x = 128,066.04
  5. Step 5: Solve for x
    x = 128,066.04/348.43
  6. Step 6: Final answer
    x = 367.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.