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Finding the Fourth Proportional to 523.62, 783.81 and 350.28

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Solution

The fourth proportional to 523.62, 783.81 and 350.28 is: 524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.62 : 783.81 = 350.28 : x
  2. Step 2: Convert to fraction form
    523.62/783.81 = 350.28/x
  3. Step 3: Cross multiply
    523.62x = 783.81 × 350.28
  4. Step 4: Simplify right side
    523.62x = 274,552.97
  5. Step 5: Solve for x
    x = 274,552.97/523.62
  6. Step 6: Final answer
    x = 524.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.