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Finding the Fourth Proportional to 377.35, 520.99 and 237.66

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Solution

The fourth proportional to 377.35, 520.99 and 237.66 is: 328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.35 : 520.99 = 237.66 : x
  2. Step 2: Convert to fraction form
    377.35/520.99 = 237.66/x
  3. Step 3: Cross multiply
    377.35x = 520.99 × 237.66
  4. Step 4: Simplify right side
    377.35x = 123,818.48
  5. Step 5: Solve for x
    x = 123,818.48/377.35
  6. Step 6: Final answer
    x = 328.13

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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.