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Finding the Fourth Proportional to 365.76, 548.67 and 183.15

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Solution

The fourth proportional to 365.76, 548.67 and 183.15 is: 274.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.76 : 548.67 = 183.15 : x
  2. Step 2: Convert to fraction form
    365.76/548.67 = 183.15/x
  3. Step 3: Cross multiply
    365.76x = 548.67 × 183.15
  4. Step 4: Simplify right side
    365.76x = 100,488.91
  5. Step 5: Solve for x
    x = 100,488.91/365.76
  6. Step 6: Final answer
    x = 274.74

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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.