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Finding the Fourth Proportional to 444.19, 613.01 and 247.70

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Solution

The fourth proportional to 444.19, 613.01 and 247.70 is: 341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.19 : 613.01 = 247.70 : x
  2. Step 2: Convert to fraction form
    444.19/613.01 = 247.70/x
  3. Step 3: Cross multiply
    444.19x = 613.01 × 247.70
  4. Step 4: Simplify right side
    444.19x = 151,846.34
  5. Step 5: Solve for x
    x = 151,846.34/444.19
  6. Step 6: Final answer
    x = 341.85

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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.