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Finding the Fourth Proportional to 252.54, 348.12 and 186.93

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Solution

The fourth proportional to 252.54, 348.12 and 186.93 is: 257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.54 : 348.12 = 186.93 : x
  2. Step 2: Convert to fraction form
    252.54/348.12 = 186.93/x
  3. Step 3: Cross multiply
    252.54x = 348.12 × 186.93
  4. Step 4: Simplify right side
    252.54x = 65,074.07
  5. Step 5: Solve for x
    x = 65,074.07/252.54
  6. Step 6: Final answer
    x = 257.68

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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.