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Finding the Fourth Proportional to 246.70, 346.10 and 246.70

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Solution

The fourth proportional to 246.70, 346.10 and 246.70 is: 346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.70 : 346.10 = 246.70 : x
  2. Step 2: Convert to fraction form
    246.70/346.10 = 246.70/x
  3. Step 3: Cross multiply
    246.70x = 346.10 × 246.70
  4. Step 4: Simplify right side
    246.70x = 85,382.87
  5. Step 5: Solve for x
    x = 85,382.87/246.70
  6. Step 6: Final answer
    x = 346.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.