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Finding the Fourth Proportional to 247, 370.12 and 195.51

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Solution

The fourth proportional to 247, 370.12 and 195.51 is: 292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247 : 370.12 = 195.51 : x
  2. Step 2: Convert to fraction form
    247/370.12 = 195.51/x
  3. Step 3: Cross multiply
    247x = 370.12 × 195.51
  4. Step 4: Simplify right side
    247x = 72,361.18
  5. Step 5: Solve for x
    x = 72,361.18/247
  6. Step 6: Final answer
    x = 292.96

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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.