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Finding the Fourth Proportional to 336.18, 466.05 and 329.49

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Solution

The fourth proportional to 336.18, 466.05 and 329.49 is: 456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.18 : 466.05 = 329.49 : x
  2. Step 2: Convert to fraction form
    336.18/466.05 = 329.49/x
  3. Step 3: Cross multiply
    336.18x = 466.05 × 329.49
  4. Step 4: Simplify right side
    336.18x = 153,558.81
  5. Step 5: Solve for x
    x = 153,558.81/336.18
  6. Step 6: Final answer
    x = 456.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.