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Finding the Fourth Proportional to 358.63, 495.12 and 246.73

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Solution

The fourth proportional to 358.63, 495.12 and 246.73 is: 340.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.63 : 495.12 = 246.73 : x
  2. Step 2: Convert to fraction form
    358.63/495.12 = 246.73/x
  3. Step 3: Cross multiply
    358.63x = 495.12 × 246.73
  4. Step 4: Simplify right side
    358.63x = 122,160.96
  5. Step 5: Solve for x
    x = 122,160.96/358.63
  6. Step 6: Final answer
    x = 340.63

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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.