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Finding the Fourth Proportional to 246.47, 366.79 and 238.27

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Solution

The fourth proportional to 246.47, 366.79 and 238.27 is: 354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.47 : 366.79 = 238.27 : x
  2. Step 2: Convert to fraction form
    246.47/366.79 = 238.27/x
  3. Step 3: Cross multiply
    246.47x = 366.79 × 238.27
  4. Step 4: Simplify right side
    246.47x = 87,393.22
  5. Step 5: Solve for x
    x = 87,393.22/246.47
  6. Step 6: Final answer
    x = 354.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.