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Finding the Fourth Proportional to 332.52, 498.68 and 137.54

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Solution

The fourth proportional to 332.52, 498.68 and 137.54 is: 206.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.52 : 498.68 = 137.54 : x
  2. Step 2: Convert to fraction form
    332.52/498.68 = 137.54/x
  3. Step 3: Cross multiply
    332.52x = 498.68 × 137.54
  4. Step 4: Simplify right side
    332.52x = 68,588.45
  5. Step 5: Solve for x
    x = 68,588.45/332.52
  6. Step 6: Final answer
    x = 206.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.