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Finding the Fourth Proportional to 246.70, 370.44 and 208.68

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Solution

The fourth proportional to 246.70, 370.44 and 208.68 is: 313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.70 : 370.44 = 208.68 : x
  2. Step 2: Convert to fraction form
    246.70/370.44 = 208.68/x
  3. Step 3: Cross multiply
    246.70x = 370.44 × 208.68
  4. Step 4: Simplify right side
    246.70x = 77,304.28
  5. Step 5: Solve for x
    x = 77,304.28/246.70
  6. Step 6: Final answer
    x = 313.35

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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.