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Finding the Fourth Proportional to 247.84, 341.84 and 174.24

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Solution

The fourth proportional to 247.84, 341.84 and 174.24 is: 240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.84 : 341.84 = 174.24 : x
  2. Step 2: Convert to fraction form
    247.84/341.84 = 174.24/x
  3. Step 3: Cross multiply
    247.84x = 341.84 × 174.24
  4. Step 4: Simplify right side
    247.84x = 59,562.20
  5. Step 5: Solve for x
    x = 59,562.20/247.84
  6. Step 6: Final answer
    x = 240.33

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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.