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Finding the Fourth Proportional to 260.33, 358.82 and 190.33

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Solution

The fourth proportional to 260.33, 358.82 and 190.33 is: 262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.33 : 358.82 = 190.33 : x
  2. Step 2: Convert to fraction form
    260.33/358.82 = 190.33/x
  3. Step 3: Cross multiply
    260.33x = 358.82 × 190.33
  4. Step 4: Simplify right side
    260.33x = 68,294.21
  5. Step 5: Solve for x
    x = 68,294.21/260.33
  6. Step 6: Final answer
    x = 262.34

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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.