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Finding the Fourth Proportional to 332.85, 459.45 and 234.66

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Solution

The fourth proportional to 332.85, 459.45 and 234.66 is: 323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.85 : 459.45 = 234.66 : x
  2. Step 2: Convert to fraction form
    332.85/459.45 = 234.66/x
  3. Step 3: Cross multiply
    332.85x = 459.45 × 234.66
  4. Step 4: Simplify right side
    332.85x = 107,814.54
  5. Step 5: Solve for x
    x = 107,814.54/332.85
  6. Step 6: Final answer
    x = 323.91

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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.