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Finding the Fourth Proportional to 101.41, 151.37 and 88.57

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Solution

The fourth proportional to 101.41, 151.37 and 88.57 is: 132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.41 : 151.37 = 88.57 : x
  2. Step 2: Convert to fraction form
    101.41/151.37 = 88.57/x
  3. Step 3: Cross multiply
    101.41x = 151.37 × 88.57
  4. Step 4: Simplify right side
    101.41x = 13,406.84
  5. Step 5: Solve for x
    x = 13,406.84/101.41
  6. Step 6: Final answer
    x = 132.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.