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Finding the Fourth Proportional to 246.93, 370.20 and 211.11

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Solution

The fourth proportional to 246.93, 370.20 and 211.11 is: 316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.93 : 370.20 = 211.11 : x
  2. Step 2: Convert to fraction form
    246.93/370.20 = 211.11/x
  3. Step 3: Cross multiply
    246.93x = 370.20 × 211.11
  4. Step 4: Simplify right side
    246.93x = 78,151.07
  5. Step 5: Solve for x
    x = 78,151.07/246.93
  6. Step 6: Final answer
    x = 316.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.