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Finding the Fourth Proportional to 151.56, 208.98 and 110.12

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Solution

The fourth proportional to 151.56, 208.98 and 110.12 is: 151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.56 : 208.98 = 110.12 : x
  2. Step 2: Convert to fraction form
    151.56/208.98 = 110.12/x
  3. Step 3: Cross multiply
    151.56x = 208.98 × 110.12
  4. Step 4: Simplify right side
    151.56x = 23,011.83
  5. Step 5: Solve for x
    x = 23,011.83/151.56
  6. Step 6: Final answer
    x = 151.83

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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.