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Finding the Fourth Proportional to 348.61, 481.45 and 237.07

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Solution

The fourth proportional to 348.61, 481.45 and 237.07 is: 327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.61 : 481.45 = 237.07 : x
  2. Step 2: Convert to fraction form
    348.61/481.45 = 237.07/x
  3. Step 3: Cross multiply
    348.61x = 481.45 × 237.07
  4. Step 4: Simplify right side
    348.61x = 114,138.15
  5. Step 5: Solve for x
    x = 114,138.15/348.61
  6. Step 6: Final answer
    x = 327.41

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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.