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Finding the Fourth Proportional to 350.46, 484.65 and 348.30

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Solution

The fourth proportional to 350.46, 484.65 and 348.30 is: 481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.46 : 484.65 = 348.30 : x
  2. Step 2: Convert to fraction form
    350.46/484.65 = 348.30/x
  3. Step 3: Cross multiply
    350.46x = 484.65 × 348.30
  4. Step 4: Simplify right side
    350.46x = 168,803.60
  5. Step 5: Solve for x
    x = 168,803.60/350.46
  6. Step 6: Final answer
    x = 481.66

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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.