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Finding the Fourth Proportional to 350.08, 524.50 and 220.39

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Solution

The fourth proportional to 350.08, 524.50 and 220.39 is: 330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.08 : 524.50 = 220.39 : x
  2. Step 2: Convert to fraction form
    350.08/524.50 = 220.39/x
  3. Step 3: Cross multiply
    350.08x = 524.50 × 220.39
  4. Step 4: Simplify right side
    350.08x = 115,592.69
  5. Step 5: Solve for x
    x = 115,592.69/350.08
  6. Step 6: Final answer
    x = 330.19

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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.