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Finding the Fourth Proportional to 150.35, 207.23 and 144.68

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Solution

The fourth proportional to 150.35, 207.23 and 144.68 is: 199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.35 : 207.23 = 144.68 : x
  2. Step 2: Convert to fraction form
    150.35/207.23 = 144.68/x
  3. Step 3: Cross multiply
    150.35x = 207.23 × 144.68
  4. Step 4: Simplify right side
    150.35x = 29,980.28
  5. Step 5: Solve for x
    x = 29,980.28/150.35
  6. Step 6: Final answer
    x = 199.41

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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.