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Finding the Fourth Proportional to 203.23, 305.34 and 176.82

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Solution

The fourth proportional to 203.23, 305.34 and 176.82 is: 265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.23 : 305.34 = 176.82 : x
  2. Step 2: Convert to fraction form
    203.23/305.34 = 176.82/x
  3. Step 3: Cross multiply
    203.23x = 305.34 × 176.82
  4. Step 4: Simplify right side
    203.23x = 53,990.22
  5. Step 5: Solve for x
    x = 53,990.22/203.23
  6. Step 6: Final answer
    x = 265.66

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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.