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Finding the Fourth Proportional to 300.99, 415.37 and 170.01

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Solution

The fourth proportional to 300.99, 415.37 and 170.01 is: 234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.99 : 415.37 = 170.01 : x
  2. Step 2: Convert to fraction form
    300.99/415.37 = 170.01/x
  3. Step 3: Cross multiply
    300.99x = 415.37 × 170.01
  4. Step 4: Simplify right side
    300.99x = 70,617.48
  5. Step 5: Solve for x
    x = 70,617.48/300.99
  6. Step 6: Final answer
    x = 234.62

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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.