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Finding the Fourth Proportional to 300.01, 450.22 and 117.39

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Solution

The fourth proportional to 300.01, 450.22 and 117.39 is: 176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.01 : 450.22 = 117.39 : x
  2. Step 2: Convert to fraction form
    300.01/450.22 = 117.39/x
  3. Step 3: Cross multiply
    300.01x = 450.22 × 117.39
  4. Step 4: Simplify right side
    300.01x = 52,851.33
  5. Step 5: Solve for x
    x = 52,851.33/300.01
  6. Step 6: Final answer
    x = 176.17

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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.