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Finding the Fourth Proportional to 325.85, 449.63 and 185.93

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Solution

The fourth proportional to 325.85, 449.63 and 185.93 is: 256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.85 : 449.63 = 185.93 : x
  2. Step 2: Convert to fraction form
    325.85/449.63 = 185.93/x
  3. Step 3: Cross multiply
    325.85x = 449.63 × 185.93
  4. Step 4: Simplify right side
    325.85x = 83,598.78
  5. Step 5: Solve for x
    x = 83,598.78/325.85
  6. Step 6: Final answer
    x = 256.56

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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.