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Finding the Fourth Proportional to 225.30, 336.68 and 181.48

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Solution

The fourth proportional to 225.30, 336.68 and 181.48 is: 271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.30 : 336.68 = 181.48 : x
  2. Step 2: Convert to fraction form
    225.30/336.68 = 181.48/x
  3. Step 3: Cross multiply
    225.30x = 336.68 × 181.48
  4. Step 4: Simplify right side
    225.30x = 61,100.69
  5. Step 5: Solve for x
    x = 61,100.69/225.30
  6. Step 6: Final answer
    x = 271.20

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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.