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Finding the Fourth Proportional to 367.92, 511.04 and 357.68

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Solution

The fourth proportional to 367.92, 511.04 and 357.68 is: 496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.92 : 511.04 = 357.68 : x
  2. Step 2: Convert to fraction form
    367.92/511.04 = 357.68/x
  3. Step 3: Cross multiply
    367.92x = 511.04 × 357.68
  4. Step 4: Simplify right side
    367.92x = 182,788.79
  5. Step 5: Solve for x
    x = 182,788.79/367.92
  6. Step 6: Final answer
    x = 496.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.