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Finding the Fourth Proportional to 575.82, 863.36 and 383.22

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Solution

The fourth proportional to 575.82, 863.36 and 383.22 is: 574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.82 : 863.36 = 383.22 : x
  2. Step 2: Convert to fraction form
    575.82/863.36 = 383.22/x
  3. Step 3: Cross multiply
    575.82x = 863.36 × 383.22
  4. Step 4: Simplify right side
    575.82x = 330,852.50
  5. Step 5: Solve for x
    x = 330,852.50/575.82
  6. Step 6: Final answer
    x = 574.58

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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.