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Finding the Fourth Proportional to 323.55, 446.50 and 176.19

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Solution

The fourth proportional to 323.55, 446.50 and 176.19 is: 243.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.55 : 446.50 = 176.19 : x
  2. Step 2: Convert to fraction form
    323.55/446.50 = 176.19/x
  3. Step 3: Cross multiply
    323.55x = 446.50 × 176.19
  4. Step 4: Simplify right side
    323.55x = 78,666.72
  5. Step 5: Solve for x
    x = 78,666.72/323.55
  6. Step 6: Final answer
    x = 243.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.