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Finding the Fourth Proportional to 196.46, 295.28 and 192.44

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Solution

The fourth proportional to 196.46, 295.28 and 192.44 is: 289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.46 : 295.28 = 192.44 : x
  2. Step 2: Convert to fraction form
    196.46/295.28 = 192.44/x
  3. Step 3: Cross multiply
    196.46x = 295.28 × 192.44
  4. Step 4: Simplify right side
    196.46x = 56,824.18
  5. Step 5: Solve for x
    x = 56,824.18/196.46
  6. Step 6: Final answer
    x = 289.24

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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.