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Finding the Fourth Proportional to 377.93, 566.78 and 134.39

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Solution

The fourth proportional to 377.93, 566.78 and 134.39 is: 201.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.93 : 566.78 = 134.39 : x
  2. Step 2: Convert to fraction form
    377.93/566.78 = 134.39/x
  3. Step 3: Cross multiply
    377.93x = 566.78 × 134.39
  4. Step 4: Simplify right side
    377.93x = 76,166.06
  5. Step 5: Solve for x
    x = 76,166.06/377.93
  6. Step 6: Final answer
    x = 201.54

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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.