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Finding the Fourth Proportional to 325.27, 485.55 and 301.18

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Solution

The fourth proportional to 325.27, 485.55 and 301.18 is: 449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.27 : 485.55 = 301.18 : x
  2. Step 2: Convert to fraction form
    325.27/485.55 = 301.18/x
  3. Step 3: Cross multiply
    325.27x = 485.55 × 301.18
  4. Step 4: Simplify right side
    325.27x = 146,239.02
  5. Step 5: Solve for x
    x = 146,239.02/325.27
  6. Step 6: Final answer
    x = 449.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.