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Finding the Fourth Proportional to 377.08, 520.15 and 237.15

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Solution

The fourth proportional to 377.08, 520.15 and 237.15 is: 327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.08 : 520.15 = 237.15 : x
  2. Step 2: Convert to fraction form
    377.08/520.15 = 237.15/x
  3. Step 3: Cross multiply
    377.08x = 520.15 × 237.15
  4. Step 4: Simplify right side
    377.08x = 123,353.57
  5. Step 5: Solve for x
    x = 123,353.57/377.08
  6. Step 6: Final answer
    x = 327.13

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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.