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Finding the Fourth Proportional to 277.76, 415.94 and 184.93

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Solution

The fourth proportional to 277.76, 415.94 and 184.93 is: 276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.76 : 415.94 = 184.93 : x
  2. Step 2: Convert to fraction form
    277.76/415.94 = 184.93/x
  3. Step 3: Cross multiply
    277.76x = 415.94 × 184.93
  4. Step 4: Simplify right side
    277.76x = 76,917.82
  5. Step 5: Solve for x
    x = 76,917.82/277.76
  6. Step 6: Final answer
    x = 276.92

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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.