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Finding the Fourth Proportional to 350.08, 524.99 and 133.61

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Solution

The fourth proportional to 350.08, 524.99 and 133.61 is: 200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.08 : 524.99 = 133.61 : x
  2. Step 2: Convert to fraction form
    350.08/524.99 = 133.61/x
  3. Step 3: Cross multiply
    350.08x = 524.99 × 133.61
  4. Step 4: Simplify right side
    350.08x = 70,141.62
  5. Step 5: Solve for x
    x = 70,141.62/350.08
  6. Step 6: Final answer
    x = 200.36

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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.