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Finding the Fourth Proportional to 444.81, 613.90 and 270.16

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Solution

The fourth proportional to 444.81, 613.90 and 270.16 is: 372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.81 : 613.90 = 270.16 : x
  2. Step 2: Convert to fraction form
    444.81/613.90 = 270.16/x
  3. Step 3: Cross multiply
    444.81x = 613.90 × 270.16
  4. Step 4: Simplify right side
    444.81x = 165,851.22
  5. Step 5: Solve for x
    x = 165,851.22/444.81
  6. Step 6: Final answer
    x = 372.86

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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.