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Finding the Fourth Proportional to 412.77, 568.50 and 350.22

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Solution

The fourth proportional to 412.77, 568.50 and 350.22 is: 482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.77 : 568.50 = 350.22 : x
  2. Step 2: Convert to fraction form
    412.77/568.50 = 350.22/x
  3. Step 3: Cross multiply
    412.77x = 568.50 × 350.22
  4. Step 4: Simplify right side
    412.77x = 199,100.07
  5. Step 5: Solve for x
    x = 199,100.07/412.77
  6. Step 6: Final answer
    x = 482.35

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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.