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Finding the Fourth Proportional to 358.98, 495.09 and 293.37

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Solution

The fourth proportional to 358.98, 495.09 and 293.37 is: 404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.98 : 495.09 = 293.37 : x
  2. Step 2: Convert to fraction form
    358.98/495.09 = 293.37/x
  3. Step 3: Cross multiply
    358.98x = 495.09 × 293.37
  4. Step 4: Simplify right side
    358.98x = 145,244.55
  5. Step 5: Solve for x
    x = 145,244.55/358.98
  6. Step 6: Final answer
    x = 404.60

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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.