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Finding the Fourth Proportional to 479.44, 719.13 and 248.26

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Solution

The fourth proportional to 479.44, 719.13 and 248.26 is: 372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.44 : 719.13 = 248.26 : x
  2. Step 2: Convert to fraction form
    479.44/719.13 = 248.26/x
  3. Step 3: Cross multiply
    479.44x = 719.13 × 248.26
  4. Step 4: Simplify right side
    479.44x = 178,531.21
  5. Step 5: Solve for x
    x = 178,531.21/479.44
  6. Step 6: Final answer
    x = 372.37

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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.