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Finding the Fourth Proportional to 350.94, 522.96 and 339.32

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Solution

The fourth proportional to 350.94, 522.96 and 339.32 is: 505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.94 : 522.96 = 339.32 : x
  2. Step 2: Convert to fraction form
    350.94/522.96 = 339.32/x
  3. Step 3: Cross multiply
    350.94x = 522.96 × 339.32
  4. Step 4: Simplify right side
    350.94x = 177,450.79
  5. Step 5: Solve for x
    x = 177,450.79/350.94
  6. Step 6: Final answer
    x = 505.64

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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.