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Finding the Fourth Proportional to 247.63, 371.58 and 160.94

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Solution

The fourth proportional to 247.63, 371.58 and 160.94 is: 241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.63 : 371.58 = 160.94 : x
  2. Step 2: Convert to fraction form
    247.63/371.58 = 160.94/x
  3. Step 3: Cross multiply
    247.63x = 371.58 × 160.94
  4. Step 4: Simplify right side
    247.63x = 59,802.41
  5. Step 5: Solve for x
    x = 59,802.41/247.63
  6. Step 6: Final answer
    x = 241.50

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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.