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Finding the Fourth Proportional to 377.55, 565.94 and 255.83

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Solution

The fourth proportional to 377.55, 565.94 and 255.83 is: 383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.55 : 565.94 = 255.83 : x
  2. Step 2: Convert to fraction form
    377.55/565.94 = 255.83/x
  3. Step 3: Cross multiply
    377.55x = 565.94 × 255.83
  4. Step 4: Simplify right side
    377.55x = 144,780.32
  5. Step 5: Solve for x
    x = 144,780.32/377.55
  6. Step 6: Final answer
    x = 383.47

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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.