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Finding the Fourth Proportional to 250.00, 344.79 and 191.07

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Solution

The fourth proportional to 250.00, 344.79 and 191.07 is: 263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.00 : 344.79 = 191.07 : x
  2. Step 2: Convert to fraction form
    250.00/344.79 = 191.07/x
  3. Step 3: Cross multiply
    250.00x = 344.79 × 191.07
  4. Step 4: Simplify right side
    250.00x = 65,879.03
  5. Step 5: Solve for x
    x = 65,879.03/250.00
  6. Step 6: Final answer
    x = 263.52

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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.