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Finding the Fourth Proportional to 176.92, 244.23 and 130.30

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Solution

The fourth proportional to 176.92, 244.23 and 130.30 is: 179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.92 : 244.23 = 130.30 : x
  2. Step 2: Convert to fraction form
    176.92/244.23 = 130.30/x
  3. Step 3: Cross multiply
    176.92x = 244.23 × 130.30
  4. Step 4: Simplify right side
    176.92x = 31,823.17
  5. Step 5: Solve for x
    x = 31,823.17/176.92
  6. Step 6: Final answer
    x = 179.87

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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.