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Finding the Fourth Proportional to 246.16, 336.80 and 245.14

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Solution

The fourth proportional to 246.16, 336.80 and 245.14 is: 335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.16 : 336.80 = 245.14 : x
  2. Step 2: Convert to fraction form
    246.16/336.80 = 245.14/x
  3. Step 3: Cross multiply
    246.16x = 336.80 × 245.14
  4. Step 4: Simplify right side
    246.16x = 82,563.15
  5. Step 5: Solve for x
    x = 82,563.15/246.16
  6. Step 6: Final answer
    x = 335.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.