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Finding the Fourth Proportional to 332.68, 499.18 and 159.26

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Solution

The fourth proportional to 332.68, 499.18 and 159.26 is: 238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.68 : 499.18 = 159.26 : x
  2. Step 2: Convert to fraction form
    332.68/499.18 = 159.26/x
  3. Step 3: Cross multiply
    332.68x = 499.18 × 159.26
  4. Step 4: Simplify right side
    332.68x = 79,499.41
  5. Step 5: Solve for x
    x = 79,499.41/332.68
  6. Step 6: Final answer
    x = 238.97

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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.