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Finding the Fourth Proportional to 176.23, 263.04 and 161.80

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Solution

The fourth proportional to 176.23, 263.04 and 161.80 is: 241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.23 : 263.04 = 161.80 : x
  2. Step 2: Convert to fraction form
    176.23/263.04 = 161.80/x
  3. Step 3: Cross multiply
    176.23x = 263.04 × 161.80
  4. Step 4: Simplify right side
    176.23x = 42,559.87
  5. Step 5: Solve for x
    x = 42,559.87/176.23
  6. Step 6: Final answer
    x = 241.50

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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.