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Finding the Fourth Proportional to 325.37, 449.02 and 178.01

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Solution

The fourth proportional to 325.37, 449.02 and 178.01 is: 245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.37 : 449.02 = 178.01 : x
  2. Step 2: Convert to fraction form
    325.37/449.02 = 178.01/x
  3. Step 3: Cross multiply
    325.37x = 449.02 × 178.01
  4. Step 4: Simplify right side
    325.37x = 79,927.81
  5. Step 5: Solve for x
    x = 79,927.81/325.37
  6. Step 6: Final answer
    x = 245.65

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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.