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Finding the Fourth Proportional to 451.16, 622.60 and 244.16

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Solution

The fourth proportional to 451.16, 622.60 and 244.16 is: 336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.16 : 622.60 = 244.16 : x
  2. Step 2: Convert to fraction form
    451.16/622.60 = 244.16/x
  3. Step 3: Cross multiply
    451.16x = 622.60 × 244.16
  4. Step 4: Simplify right side
    451.16x = 152,010.90
  5. Step 5: Solve for x
    x = 152,010.90/451.16
  6. Step 6: Final answer
    x = 336.94

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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.