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Finding the Fourth Proportional to 141.88, 213.06 and 101.62

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Solution

The fourth proportional to 141.88, 213.06 and 101.62 is: 152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.88 : 213.06 = 101.62 : x
  2. Step 2: Convert to fraction form
    141.88/213.06 = 101.62/x
  3. Step 3: Cross multiply
    141.88x = 213.06 × 101.62
  4. Step 4: Simplify right side
    141.88x = 21,651.16
  5. Step 5: Solve for x
    x = 21,651.16/141.88
  6. Step 6: Final answer
    x = 152.60

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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.