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Finding the Fourth Proportional to 177.23, 266.89 and 154.67

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Solution

The fourth proportional to 177.23, 266.89 and 154.67 is: 232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.23 : 266.89 = 154.67 : x
  2. Step 2: Convert to fraction form
    177.23/266.89 = 154.67/x
  3. Step 3: Cross multiply
    177.23x = 266.89 × 154.67
  4. Step 4: Simplify right side
    177.23x = 41,279.88
  5. Step 5: Solve for x
    x = 41,279.88/177.23
  6. Step 6: Final answer
    x = 232.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.