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Finding the Fourth Proportional to 283.81, 425.69 and 108.08

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Solution

The fourth proportional to 283.81, 425.69 and 108.08 is: 162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.81 : 425.69 = 108.08 : x
  2. Step 2: Convert to fraction form
    283.81/425.69 = 108.08/x
  3. Step 3: Cross multiply
    283.81x = 425.69 × 108.08
  4. Step 4: Simplify right side
    283.81x = 46,008.58
  5. Step 5: Solve for x
    x = 46,008.58/283.81
  6. Step 6: Final answer
    x = 162.11

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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.