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Finding the Fourth Proportional to 246.26, 340.08 and 208.57

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Solution

The fourth proportional to 246.26, 340.08 and 208.57 is: 288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.26 : 340.08 = 208.57 : x
  2. Step 2: Convert to fraction form
    246.26/340.08 = 208.57/x
  3. Step 3: Cross multiply
    246.26x = 340.08 × 208.57
  4. Step 4: Simplify right side
    246.26x = 70,931.69
  5. Step 5: Solve for x
    x = 70,931.69/246.26
  6. Step 6: Final answer
    x = 288.03

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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.