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Finding the Fourth Proportional to 260.38, 359.47 and 176.42

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Solution

The fourth proportional to 260.38, 359.47 and 176.42 is: 243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.38 : 359.47 = 176.42 : x
  2. Step 2: Convert to fraction form
    260.38/359.47 = 176.42/x
  3. Step 3: Cross multiply
    260.38x = 359.47 × 176.42
  4. Step 4: Simplify right side
    260.38x = 63,417.70
  5. Step 5: Solve for x
    x = 63,417.70/260.38
  6. Step 6: Final answer
    x = 243.56

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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.