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Finding the Fourth Proportional to 194.40, 292.82 and 176.58

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Solution

The fourth proportional to 194.40, 292.82 and 176.58 is: 265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.40 : 292.82 = 176.58 : x
  2. Step 2: Convert to fraction form
    194.40/292.82 = 176.58/x
  3. Step 3: Cross multiply
    194.40x = 292.82 × 176.58
  4. Step 4: Simplify right side
    194.40x = 51,705.27
  5. Step 5: Solve for x
    x = 51,705.27/194.40
  6. Step 6: Final answer
    x = 265.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.