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Finding the Fourth Proportional to 302.76, 453.87 and 110.25

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Solution

The fourth proportional to 302.76, 453.87 and 110.25 is: 165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.76 : 453.87 = 110.25 : x
  2. Step 2: Convert to fraction form
    302.76/453.87 = 110.25/x
  3. Step 3: Cross multiply
    302.76x = 453.87 × 110.25
  4. Step 4: Simplify right side
    302.76x = 50,039.17
  5. Step 5: Solve for x
    x = 50,039.17/302.76
  6. Step 6: Final answer
    x = 165.28

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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.