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Finding the Fourth Proportional to 252.69, 349.23 and 190.50

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Solution

The fourth proportional to 252.69, 349.23 and 190.50 is: 263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.69 : 349.23 = 190.50 : x
  2. Step 2: Convert to fraction form
    252.69/349.23 = 190.50/x
  3. Step 3: Cross multiply
    252.69x = 349.23 × 190.50
  4. Step 4: Simplify right side
    252.69x = 66,528.61
  5. Step 5: Solve for x
    x = 66,528.61/252.69
  6. Step 6: Final answer
    x = 263.28

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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.