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Finding the Fourth Proportional to 184.57, 277.02 and 123.77

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Solution

The fourth proportional to 184.57, 277.02 and 123.77 is: 185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.57 : 277.02 = 123.77 : x
  2. Step 2: Convert to fraction form
    184.57/277.02 = 123.77/x
  3. Step 3: Cross multiply
    184.57x = 277.02 × 123.77
  4. Step 4: Simplify right side
    184.57x = 34,287.46
  5. Step 5: Solve for x
    x = 34,287.46/184.57
  6. Step 6: Final answer
    x = 185.77

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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.