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Finding the Fourth Proportional to 310.81, 466.29 and 94.41

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Solution

The fourth proportional to 310.81, 466.29 and 94.41 is: 141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310.81 : 466.29 = 94.41 : x
  2. Step 2: Convert to fraction form
    310.81/466.29 = 94.41/x
  3. Step 3: Cross multiply
    310.81x = 466.29 × 94.41
  4. Step 4: Simplify right side
    310.81x = 44,022.44
  5. Step 5: Solve for x
    x = 44,022.44/310.81
  6. Step 6: Final answer
    x = 141.64

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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.