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Finding the Fourth Proportional to 386.83, 576.52 and 375.59

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Solution

The fourth proportional to 386.83, 576.52 and 375.59 is: 559.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386.83 : 576.52 = 375.59 : x
  2. Step 2: Convert to fraction form
    386.83/576.52 = 375.59/x
  3. Step 3: Cross multiply
    386.83x = 576.52 × 375.59
  4. Step 4: Simplify right side
    386.83x = 216,532.41
  5. Step 5: Solve for x
    x = 216,532.41/386.83
  6. Step 6: Final answer
    x = 559.77

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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.