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Finding the Fourth Proportional to 220.14, 303.92 and 150.18

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Solution

The fourth proportional to 220.14, 303.92 and 150.18 is: 207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.14 : 303.92 = 150.18 : x
  2. Step 2: Convert to fraction form
    220.14/303.92 = 150.18/x
  3. Step 3: Cross multiply
    220.14x = 303.92 × 150.18
  4. Step 4: Simplify right side
    220.14x = 45,642.71
  5. Step 5: Solve for x
    x = 45,642.71/220.14
  6. Step 6: Final answer
    x = 207.33

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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.