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Finding the Fourth Proportional to 250.06, 345.11 and 145.18

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Solution

The fourth proportional to 250.06, 345.11 and 145.18 is: 200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.06 : 345.11 = 145.18 : x
  2. Step 2: Convert to fraction form
    250.06/345.11 = 145.18/x
  3. Step 3: Cross multiply
    250.06x = 345.11 × 145.18
  4. Step 4: Simplify right side
    250.06x = 50,103.07
  5. Step 5: Solve for x
    x = 50,103.07/250.06
  6. Step 6: Final answer
    x = 200.36

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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.