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Finding the Fourth Proportional to 350.68, 483.84 and 245.66

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Solution

The fourth proportional to 350.68, 483.84 and 245.66 is: 338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.68 : 483.84 = 245.66 : x
  2. Step 2: Convert to fraction form
    350.68/483.84 = 245.66/x
  3. Step 3: Cross multiply
    350.68x = 483.84 × 245.66
  4. Step 4: Simplify right side
    350.68x = 118,860.13
  5. Step 5: Solve for x
    x = 118,860.13/350.68
  6. Step 6: Final answer
    x = 338.94

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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.