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Finding the Fourth Proportional to 444.32, 663.48 and 351.98

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Solution

The fourth proportional to 444.32, 663.48 and 351.98 is: 525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.32 : 663.48 = 351.98 : x
  2. Step 2: Convert to fraction form
    444.32/663.48 = 351.98/x
  3. Step 3: Cross multiply
    444.32x = 663.48 × 351.98
  4. Step 4: Simplify right side
    444.32x = 233,531.69
  5. Step 5: Solve for x
    x = 233,531.69/444.32
  6. Step 6: Final answer
    x = 525.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.