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Finding the Fourth Proportional to 377.15, 565.27 and 274.18

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Solution

The fourth proportional to 377.15, 565.27 and 274.18 is: 410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.15 : 565.27 = 274.18 : x
  2. Step 2: Convert to fraction form
    377.15/565.27 = 274.18/x
  3. Step 3: Cross multiply
    377.15x = 565.27 × 274.18
  4. Step 4: Simplify right side
    377.15x = 154,985.73
  5. Step 5: Solve for x
    x = 154,985.73/377.15
  6. Step 6: Final answer
    x = 410.94

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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.