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Finding the Fourth Proportional to 330.81, 495.57 and 244.35

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Solution

The fourth proportional to 330.81, 495.57 and 244.35 is: 366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330.81 : 495.57 = 244.35 : x
  2. Step 2: Convert to fraction form
    330.81/495.57 = 244.35/x
  3. Step 3: Cross multiply
    330.81x = 495.57 × 244.35
  4. Step 4: Simplify right side
    330.81x = 121,092.53
  5. Step 5: Solve for x
    x = 121,092.53/330.81
  6. Step 6: Final answer
    x = 366.05

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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.