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Finding the Fourth Proportional to 377.49, 566.23 and 103.60

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Solution

The fourth proportional to 377.49, 566.23 and 103.60 is: 155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.49 : 566.23 = 103.60 : x
  2. Step 2: Convert to fraction form
    377.49/566.23 = 103.60/x
  3. Step 3: Cross multiply
    377.49x = 566.23 × 103.60
  4. Step 4: Simplify right side
    377.49x = 58,659.93
  5. Step 5: Solve for x
    x = 58,659.93/377.49
  6. Step 6: Final answer
    x = 155.40

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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.