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Finding the Fourth Proportional to 350.40, 483.37 and 272.23

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Solution

The fourth proportional to 350.40, 483.37 and 272.23 is: 375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.40 : 483.37 = 272.23 : x
  2. Step 2: Convert to fraction form
    350.40/483.37 = 272.23/x
  3. Step 3: Cross multiply
    350.40x = 483.37 × 272.23
  4. Step 4: Simplify right side
    350.40x = 131,587.82
  5. Step 5: Solve for x
    x = 131,587.82/350.40
  6. Step 6: Final answer
    x = 375.54

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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.