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Finding the Fourth Proportional to 350.50, 484.60 and 335.20

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Solution

The fourth proportional to 350.50, 484.60 and 335.20 is: 463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.50 : 484.60 = 335.20 : x
  2. Step 2: Convert to fraction form
    350.50/484.60 = 335.20/x
  3. Step 3: Cross multiply
    350.50x = 484.60 × 335.20
  4. Step 4: Simplify right side
    350.50x = 162,437.92
  5. Step 5: Solve for x
    x = 162,437.92/350.50
  6. Step 6: Final answer
    x = 463.45

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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.