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Finding the Fourth Proportional to 336.07, 504.71 and 220.75

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Solution

The fourth proportional to 336.07, 504.71 and 220.75 is: 331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.07 : 504.71 = 220.75 : x
  2. Step 2: Convert to fraction form
    336.07/504.71 = 220.75/x
  3. Step 3: Cross multiply
    336.07x = 504.71 × 220.75
  4. Step 4: Simplify right side
    336.07x = 111,413.63
  5. Step 5: Solve for x
    x = 111,413.63/336.07
  6. Step 6: Final answer
    x = 331.52

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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.