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Finding the Fourth Proportional to 444.17, 613.01 and 255.19

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Solution

The fourth proportional to 444.17, 613.01 and 255.19 is: 352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.17 : 613.01 = 255.19 : x
  2. Step 2: Convert to fraction form
    444.17/613.01 = 255.19/x
  3. Step 3: Cross multiply
    444.17x = 613.01 × 255.19
  4. Step 4: Simplify right side
    444.17x = 156,434.02
  5. Step 5: Solve for x
    x = 156,434.02/444.17
  6. Step 6: Final answer
    x = 352.19

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Double scale
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1.5x scale

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.