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Finding the Fourth Proportional to 377.99, 566.68 and 134.68

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Solution

The fourth proportional to 377.99, 566.68 and 134.68 is: 201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.99 : 566.68 = 134.68 : x
  2. Step 2: Convert to fraction form
    377.99/566.68 = 134.68/x
  3. Step 3: Cross multiply
    377.99x = 566.68 × 134.68
  4. Step 4: Simplify right side
    377.99x = 76,320.46
  5. Step 5: Solve for x
    x = 76,320.46/377.99
  6. Step 6: Final answer
    x = 201.91

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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.