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Finding the Fourth Proportional to 183.94, 277.26 and 153.70

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Solution

The fourth proportional to 183.94, 277.26 and 153.70 is: 231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.94 : 277.26 = 153.70 : x
  2. Step 2: Convert to fraction form
    183.94/277.26 = 153.70/x
  3. Step 3: Cross multiply
    183.94x = 277.26 × 153.70
  4. Step 4: Simplify right side
    183.94x = 42,614.86
  5. Step 5: Solve for x
    x = 42,614.86/183.94
  6. Step 6: Final answer
    x = 231.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.