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Finding the Fourth Proportional to 303.14, 454.74 and 110.78

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Solution

The fourth proportional to 303.14, 454.74 and 110.78 is: 166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.14 : 454.74 = 110.78 : x
  2. Step 2: Convert to fraction form
    303.14/454.74 = 110.78/x
  3. Step 3: Cross multiply
    303.14x = 454.74 × 110.78
  4. Step 4: Simplify right side
    303.14x = 50,376.10
  5. Step 5: Solve for x
    x = 50,376.10/303.14
  6. Step 6: Final answer
    x = 166.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.