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Finding the Fourth Proportional to 451.24, 622.82 and 264.87

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Solution

The fourth proportional to 451.24, 622.82 and 264.87 is: 365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.24 : 622.82 = 264.87 : x
  2. Step 2: Convert to fraction form
    451.24/622.82 = 264.87/x
  3. Step 3: Cross multiply
    451.24x = 622.82 × 264.87
  4. Step 4: Simplify right side
    451.24x = 164,967.00
  5. Step 5: Solve for x
    x = 164,967.00/451.24
  6. Step 6: Final answer
    x = 365.59

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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.