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Finding the Fourth Proportional to 377.58, 520.95 and 237.85

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Solution

The fourth proportional to 377.58, 520.95 and 237.85 is: 328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.58 : 520.95 = 237.85 : x
  2. Step 2: Convert to fraction form
    377.58/520.95 = 237.85/x
  3. Step 3: Cross multiply
    377.58x = 520.95 × 237.85
  4. Step 4: Simplify right side
    377.58x = 123,907.96
  5. Step 5: Solve for x
    x = 123,907.96/377.58
  6. Step 6: Final answer
    x = 328.16

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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.