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Finding the Fourth Proportional to 376.55, 561.98 and 366.83

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Solution

The fourth proportional to 376.55, 561.98 and 366.83 is: 547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.55 : 561.98 = 366.83 : x
  2. Step 2: Convert to fraction form
    376.55/561.98 = 366.83/x
  3. Step 3: Cross multiply
    376.55x = 561.98 × 366.83
  4. Step 4: Simplify right side
    376.55x = 206,150.69
  5. Step 5: Solve for x
    x = 206,150.69/376.55
  6. Step 6: Final answer
    x = 547.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.