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Finding the Fourth Proportional to 247.93, 341.99 and 160.60

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Solution

The fourth proportional to 247.93, 341.99 and 160.60 is: 221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.93 : 341.99 = 160.60 : x
  2. Step 2: Convert to fraction form
    247.93/341.99 = 160.60/x
  3. Step 3: Cross multiply
    247.93x = 341.99 × 160.60
  4. Step 4: Simplify right side
    247.93x = 54,923.18
  5. Step 5: Solve for x
    x = 54,923.18/247.93
  6. Step 6: Final answer
    x = 221.53

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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.