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Finding the Fourth Proportional to 332.21, 498.34 and 185.96

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Solution

The fourth proportional to 332.21, 498.34 and 185.96 is: 278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.21 : 498.34 = 185.96 : x
  2. Step 2: Convert to fraction form
    332.21/498.34 = 185.96/x
  3. Step 3: Cross multiply
    332.21x = 498.34 × 185.96
  4. Step 4: Simplify right side
    332.21x = 92,671.31
  5. Step 5: Solve for x
    x = 92,671.31/332.21
  6. Step 6: Final answer
    x = 278.95

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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.