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Finding the Fourth Proportional to 333.47, 499.60 and 326.18

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Solution

The fourth proportional to 333.47, 499.60 and 326.18 is: 488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.47 : 499.60 = 326.18 : x
  2. Step 2: Convert to fraction form
    333.47/499.60 = 326.18/x
  3. Step 3: Cross multiply
    333.47x = 499.60 × 326.18
  4. Step 4: Simplify right side
    333.47x = 162,961.18
  5. Step 5: Solve for x
    x = 162,961.18/333.47
  6. Step 6: Final answer
    x = 488.68

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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.