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Finding the Fourth Proportional to 247.37, 341.15 and 173.55

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Solution

The fourth proportional to 247.37, 341.15 and 173.55 is: 239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.37 : 341.15 = 173.55 : x
  2. Step 2: Convert to fraction form
    247.37/341.15 = 173.55/x
  3. Step 3: Cross multiply
    247.37x = 341.15 × 173.55
  4. Step 4: Simplify right side
    247.37x = 59,205.71
  5. Step 5: Solve for x
    x = 59,205.71/247.37
  6. Step 6: Final answer
    x = 239.35

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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.