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Finding the Fourth Proportional to 177.48, 266.45 and 141.03

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Solution

The fourth proportional to 177.48, 266.45 and 141.03 is: 211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.48 : 266.45 = 141.03 : x
  2. Step 2: Convert to fraction form
    177.48/266.45 = 141.03/x
  3. Step 3: Cross multiply
    177.48x = 266.45 × 141.03
  4. Step 4: Simplify right side
    177.48x = 37,576.74
  5. Step 5: Solve for x
    x = 37,576.74/177.48
  6. Step 6: Final answer
    x = 211.72

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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.