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Finding the Fourth Proportional to 366.19, 548.94 and 146.76

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Solution

The fourth proportional to 366.19, 548.94 and 146.76 is: 220.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.19 : 548.94 = 146.76 : x
  2. Step 2: Convert to fraction form
    366.19/548.94 = 146.76/x
  3. Step 3: Cross multiply
    366.19x = 548.94 × 146.76
  4. Step 4: Simplify right side
    366.19x = 80,562.43
  5. Step 5: Solve for x
    x = 80,562.43/366.19
  6. Step 6: Final answer
    x = 220.00

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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.