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Finding the Fourth Proportional to 151, 226.41 and 59.71

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Solution

The fourth proportional to 151, 226.41 and 59.71 is: 89.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151 : 226.41 = 59.71 : x
  2. Step 2: Convert to fraction form
    151/226.41 = 59.71/x
  3. Step 3: Cross multiply
    151x = 226.41 × 59.71
  4. Step 4: Simplify right side
    151x = 13,518.94
  5. Step 5: Solve for x
    x = 13,518.94/151
  6. Step 6: Final answer
    x = 89.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.