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Finding the Fourth Proportional to 325.35, 449.03 and 185.49

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Solution

The fourth proportional to 325.35, 449.03 and 185.49 is: 256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.35 : 449.03 = 185.49 : x
  2. Step 2: Convert to fraction form
    325.35/449.03 = 185.49/x
  3. Step 3: Cross multiply
    325.35x = 449.03 × 185.49
  4. Step 4: Simplify right side
    325.35x = 83,287.40
  5. Step 5: Solve for x
    x = 83,287.40/325.35
  6. Step 6: Final answer
    x = 256.00

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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.