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Finding the Fourth Proportional to 246.52, 340.38 and 228.09

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Solution

The fourth proportional to 246.52, 340.38 and 228.09 is: 314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.52 : 340.38 = 228.09 : x
  2. Step 2: Convert to fraction form
    246.52/340.38 = 228.09/x
  3. Step 3: Cross multiply
    246.52x = 340.38 × 228.09
  4. Step 4: Simplify right side
    246.52x = 77,636.13
  5. Step 5: Solve for x
    x = 77,636.13/246.52
  6. Step 6: Final answer
    x = 314.93

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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.