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Finding the Fourth Proportional to 328.94, 453.96 and 181.58

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Solution

The fourth proportional to 328.94, 453.96 and 181.58 is: 250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.94 : 453.96 = 181.58 : x
  2. Step 2: Convert to fraction form
    328.94/453.96 = 181.58/x
  3. Step 3: Cross multiply
    328.94x = 453.96 × 181.58
  4. Step 4: Simplify right side
    328.94x = 82,430.06
  5. Step 5: Solve for x
    x = 82,430.06/328.94
  6. Step 6: Final answer
    x = 250.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.