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Finding the Fourth Proportional to 451.13, 622.76 and 333.34

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Solution

The fourth proportional to 451.13, 622.76 and 333.34 is: 460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.13 : 622.76 = 333.34 : x
  2. Step 2: Convert to fraction form
    451.13/622.76 = 333.34/x
  3. Step 3: Cross multiply
    451.13x = 622.76 × 333.34
  4. Step 4: Simplify right side
    451.13x = 207,589.15
  5. Step 5: Solve for x
    x = 207,589.15/451.13
  6. Step 6: Final answer
    x = 460.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.