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Finding the Fourth Proportional to 302.43, 453.51 and 107.37

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Solution

The fourth proportional to 302.43, 453.51 and 107.37 is: 161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.43 : 453.51 = 107.37 : x
  2. Step 2: Convert to fraction form
    302.43/453.51 = 107.37/x
  3. Step 3: Cross multiply
    302.43x = 453.51 × 107.37
  4. Step 4: Simplify right side
    302.43x = 48,693.37
  5. Step 5: Solve for x
    x = 48,693.37/302.43
  6. Step 6: Final answer
    x = 161.01

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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.