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Finding the Fourth Proportional to 377.34, 520.38 and 246.30

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Solution

The fourth proportional to 377.34, 520.38 and 246.30 is: 339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.34 : 520.38 = 246.30 : x
  2. Step 2: Convert to fraction form
    377.34/520.38 = 246.30/x
  3. Step 3: Cross multiply
    377.34x = 520.38 × 246.30
  4. Step 4: Simplify right side
    377.34x = 128,169.59
  5. Step 5: Solve for x
    x = 128,169.59/377.34
  6. Step 6: Final answer
    x = 339.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.