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Finding the Fourth Proportional to 350.47, 482.49 and 333.15

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Solution

The fourth proportional to 350.47, 482.49 and 333.15 is: 458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.47 : 482.49 = 333.15 : x
  2. Step 2: Convert to fraction form
    350.47/482.49 = 333.15/x
  3. Step 3: Cross multiply
    350.47x = 482.49 × 333.15
  4. Step 4: Simplify right side
    350.47x = 160,741.54
  5. Step 5: Solve for x
    x = 160,741.54/350.47
  6. Step 6: Final answer
    x = 458.65

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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.