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Finding the Fourth Proportional to 348.41, 522.03 and 245.23

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Solution

The fourth proportional to 348.41, 522.03 and 245.23 is: 367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.41 : 522.03 = 245.23 : x
  2. Step 2: Convert to fraction form
    348.41/522.03 = 245.23/x
  3. Step 3: Cross multiply
    348.41x = 522.03 × 245.23
  4. Step 4: Simplify right side
    348.41x = 128,014.81
  5. Step 5: Solve for x
    x = 128,014.81/348.41
  6. Step 6: Final answer
    x = 367.43

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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.