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Finding the Fourth Proportional to 328.59, 453.48 and 181.25

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Solution

The fourth proportional to 328.59, 453.48 and 181.25 is: 250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.59 : 453.48 = 181.25 : x
  2. Step 2: Convert to fraction form
    328.59/453.48 = 181.25/x
  3. Step 3: Cross multiply
    328.59x = 453.48 × 181.25
  4. Step 4: Simplify right side
    328.59x = 82,195.57
  5. Step 5: Solve for x
    x = 82,195.57/328.59
  6. Step 6: Final answer
    x = 250.15

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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.