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Finding the Fourth Proportional to 150.59, 208.36 and 131.22

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Solution

The fourth proportional to 150.59, 208.36 and 131.22 is: 181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.59 : 208.36 = 131.22 : x
  2. Step 2: Convert to fraction form
    150.59/208.36 = 131.22/x
  3. Step 3: Cross multiply
    150.59x = 208.36 × 131.22
  4. Step 4: Simplify right side
    150.59x = 27,341.00
  5. Step 5: Solve for x
    x = 27,341.00/150.59
  6. Step 6: Final answer
    x = 181.56

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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.