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Finding the Fourth Proportional to 377.49, 566.23 and 103.65

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Solution

The fourth proportional to 377.49, 566.23 and 103.65 is: 155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.49 : 566.23 = 103.65 : x
  2. Step 2: Convert to fraction form
    377.49/566.23 = 103.65/x
  3. Step 3: Cross multiply
    377.49x = 566.23 × 103.65
  4. Step 4: Simplify right side
    377.49x = 58,692.18
  5. Step 5: Solve for x
    x = 58,692.18/377.49
  6. Step 6: Final answer
    x = 155.48

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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.