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Finding the Fourth Proportional to 444.51, 667.02 and 262.26

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Solution

The fourth proportional to 444.51, 667.02 and 262.26 is: 393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.51 : 667.02 = 262.26 : x
  2. Step 2: Convert to fraction form
    444.51/667.02 = 262.26/x
  3. Step 3: Cross multiply
    444.51x = 667.02 × 262.26
  4. Step 4: Simplify right side
    444.51x = 174,932.67
  5. Step 5: Solve for x
    x = 174,932.67/444.51
  6. Step 6: Final answer
    x = 393.54

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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.