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Finding the Fourth Proportional to 450.75, 622.08 and 264.30

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Solution

The fourth proportional to 450.75, 622.08 and 264.30 is: 364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.75 : 622.08 = 264.30 : x
  2. Step 2: Convert to fraction form
    450.75/622.08 = 264.30/x
  3. Step 3: Cross multiply
    450.75x = 622.08 × 264.30
  4. Step 4: Simplify right side
    450.75x = 164,415.74
  5. Step 5: Solve for x
    x = 164,415.74/450.75
  6. Step 6: Final answer
    x = 364.76

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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.