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Finding the Fourth Proportional to 249.00, 373.50 and 140.56

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Solution

The fourth proportional to 249.00, 373.50 and 140.56 is: 210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.00 : 373.50 = 140.56 : x
  2. Step 2: Convert to fraction form
    249.00/373.50 = 140.56/x
  3. Step 3: Cross multiply
    249.00x = 373.50 × 140.56
  4. Step 4: Simplify right side
    249.00x = 52,500.62
  5. Step 5: Solve for x
    x = 52,500.62/249.00
  6. Step 6: Final answer
    x = 210.84

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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.