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Finding the Fourth Proportional to 246.33, 339.98 and 153.11

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Solution

The fourth proportional to 246.33, 339.98 and 153.11 is: 211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.33 : 339.98 = 153.11 : x
  2. Step 2: Convert to fraction form
    246.33/339.98 = 153.11/x
  3. Step 3: Cross multiply
    246.33x = 339.98 × 153.11
  4. Step 4: Simplify right side
    246.33x = 52,053.57
  5. Step 5: Solve for x
    x = 52,053.57/246.33
  6. Step 6: Final answer
    x = 211.32

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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.