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Finding the Fourth Proportional to 246.67, 368.66 and 227.21

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Solution

The fourth proportional to 246.67, 368.66 and 227.21 is: 339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.67 : 368.66 = 227.21 : x
  2. Step 2: Convert to fraction form
    246.67/368.66 = 227.21/x
  3. Step 3: Cross multiply
    246.67x = 368.66 × 227.21
  4. Step 4: Simplify right side
    246.67x = 83,763.24
  5. Step 5: Solve for x
    x = 83,763.24/246.67
  6. Step 6: Final answer
    x = 339.58

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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.