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Finding the Fourth Proportional to 246.54, 342.59 and 243.48

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Solution

The fourth proportional to 246.54, 342.59 and 243.48 is: 338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.54 : 342.59 = 243.48 : x
  2. Step 2: Convert to fraction form
    246.54/342.59 = 243.48/x
  3. Step 3: Cross multiply
    246.54x = 342.59 × 243.48
  4. Step 4: Simplify right side
    246.54x = 83,412.60
  5. Step 5: Solve for x
    x = 83,412.60/246.54
  6. Step 6: Final answer
    x = 338.33

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.