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Finding the Fourth Proportional to 369.68, 550.65 and 350.96

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Solution

The fourth proportional to 369.68, 550.65 and 350.96 is: 522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.68 : 550.65 = 350.96 : x
  2. Step 2: Convert to fraction form
    369.68/550.65 = 350.96/x
  3. Step 3: Cross multiply
    369.68x = 550.65 × 350.96
  4. Step 4: Simplify right side
    369.68x = 193,254.37
  5. Step 5: Solve for x
    x = 193,254.37/369.68
  6. Step 6: Final answer
    x = 522.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.