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Finding the Fourth Proportional to 350.94, 484.35 and 203.67

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Solution

The fourth proportional to 350.94, 484.35 and 203.67 is: 281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.94 : 484.35 = 203.67 : x
  2. Step 2: Convert to fraction form
    350.94/484.35 = 203.67/x
  3. Step 3: Cross multiply
    350.94x = 484.35 × 203.67
  4. Step 4: Simplify right side
    350.94x = 98,647.56
  5. Step 5: Solve for x
    x = 98,647.56/350.94
  6. Step 6: Final answer
    x = 281.10

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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.