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Finding the Fourth Proportional to 141.61, 211.00 and 126.27

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Solution

The fourth proportional to 141.61, 211.00 and 126.27 is: 188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141.61 : 211.00 = 126.27 : x
  2. Step 2: Convert to fraction form
    141.61/211.00 = 126.27/x
  3. Step 3: Cross multiply
    141.61x = 211.00 × 126.27
  4. Step 4: Simplify right side
    141.61x = 26,641.55
  5. Step 5: Solve for x
    x = 26,641.55/141.61
  6. Step 6: Final answer
    x = 188.13

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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.