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Finding the Fourth Proportional to 344.38, 475.25 and 189.13

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Solution

The fourth proportional to 344.38, 475.25 and 189.13 is: 261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.38 : 475.25 = 189.13 : x
  2. Step 2: Convert to fraction form
    344.38/475.25 = 189.13/x
  3. Step 3: Cross multiply
    344.38x = 475.25 × 189.13
  4. Step 4: Simplify right side
    344.38x = 89,880.71
  5. Step 5: Solve for x
    x = 89,880.71/344.38
  6. Step 6: Final answer
    x = 261.00

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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.