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Finding the Fourth Proportional to 252.69, 348.50 and 169.76

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Solution

The fourth proportional to 252.69, 348.50 and 169.76 is: 234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.69 : 348.50 = 169.76 : x
  2. Step 2: Convert to fraction form
    252.69/348.50 = 169.76/x
  3. Step 3: Cross multiply
    252.69x = 348.50 × 169.76
  4. Step 4: Simplify right side
    252.69x = 59,162.66
  5. Step 5: Solve for x
    x = 59,162.66/252.69
  6. Step 6: Final answer
    x = 234.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.