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Finding the Fourth Proportional to 382.33, 576.94 and 368.77

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Solution

The fourth proportional to 382.33, 576.94 and 368.77 is: 556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.33 : 576.94 = 368.77 : x
  2. Step 2: Convert to fraction form
    382.33/576.94 = 368.77/x
  3. Step 3: Cross multiply
    382.33x = 576.94 × 368.77
  4. Step 4: Simplify right side
    382.33x = 212,758.16
  5. Step 5: Solve for x
    x = 212,758.16/382.33
  6. Step 6: Final answer
    x = 556.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.