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Finding the Fourth Proportional to 367.76, 506.35 and 342.92

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Solution

The fourth proportional to 367.76, 506.35 and 342.92 is: 472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.76 : 506.35 = 342.92 : x
  2. Step 2: Convert to fraction form
    367.76/506.35 = 342.92/x
  3. Step 3: Cross multiply
    367.76x = 506.35 × 342.92
  4. Step 4: Simplify right side
    367.76x = 173,639.24
  5. Step 5: Solve for x
    x = 173,639.24/367.76
  6. Step 6: Final answer
    x = 472.15

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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.