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Finding the Fourth Proportional to 250.08, 373.36 and 209.56

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Solution

The fourth proportional to 250.08, 373.36 and 209.56 is: 312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.08 : 373.36 = 209.56 : x
  2. Step 2: Convert to fraction form
    250.08/373.36 = 209.56/x
  3. Step 3: Cross multiply
    250.08x = 373.36 × 209.56
  4. Step 4: Simplify right side
    250.08x = 78,241.32
  5. Step 5: Solve for x
    x = 78,241.32/250.08
  6. Step 6: Final answer
    x = 312.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.