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Finding the Fourth Proportional to 196.34, 293.12 and 165.58

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Solution

The fourth proportional to 196.34, 293.12 and 165.58 is: 247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.34 : 293.12 = 165.58 : x
  2. Step 2: Convert to fraction form
    196.34/293.12 = 165.58/x
  3. Step 3: Cross multiply
    196.34x = 293.12 × 165.58
  4. Step 4: Simplify right side
    196.34x = 48,535.11
  5. Step 5: Solve for x
    x = 48,535.11/196.34
  6. Step 6: Final answer
    x = 247.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.