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Finding the Fourth Proportional to 350.41, 525.63 and 133.96

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Solution

The fourth proportional to 350.41, 525.63 and 133.96 is: 200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.41 : 525.63 = 133.96 : x
  2. Step 2: Convert to fraction form
    350.41/525.63 = 133.96/x
  3. Step 3: Cross multiply
    350.41x = 525.63 × 133.96
  4. Step 4: Simplify right side
    350.41x = 70,413.39
  5. Step 5: Solve for x
    x = 70,413.39/350.41
  6. Step 6: Final answer
    x = 200.95

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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.