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Finding the Fourth Proportional to 196.85, 271.43 and 184.93

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Solution

The fourth proportional to 196.85, 271.43 and 184.93 is: 254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.85 : 271.43 = 184.93 : x
  2. Step 2: Convert to fraction form
    196.85/271.43 = 184.93/x
  3. Step 3: Cross multiply
    196.85x = 271.43 × 184.93
  4. Step 4: Simplify right side
    196.85x = 50,196.17
  5. Step 5: Solve for x
    x = 50,196.17/196.85
  6. Step 6: Final answer
    x = 254.99

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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.