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Finding the Fourth Proportional to 348.08, 522.13 and 101.31

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Solution

The fourth proportional to 348.08, 522.13 and 101.31 is: 151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.08 : 522.13 = 101.31 : x
  2. Step 2: Convert to fraction form
    348.08/522.13 = 101.31/x
  3. Step 3: Cross multiply
    348.08x = 522.13 × 101.31
  4. Step 4: Simplify right side
    348.08x = 52,894.78
  5. Step 5: Solve for x
    x = 52,894.78/348.08
  6. Step 6: Final answer
    x = 151.96

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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.