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Finding the Fourth Proportional to 350.32, 483.44 and 190.80

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Solution

The fourth proportional to 350.32, 483.44 and 190.80 is: 263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.32 : 483.44 = 190.80 : x
  2. Step 2: Convert to fraction form
    350.32/483.44 = 190.80/x
  3. Step 3: Cross multiply
    350.32x = 483.44 × 190.80
  4. Step 4: Simplify right side
    350.32x = 92,239.40
  5. Step 5: Solve for x
    x = 92,239.40/350.32
  6. Step 6: Final answer
    x = 263.30

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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.