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Finding the Fourth Proportional to 185, 277.48 and 124.16

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Solution

The fourth proportional to 185, 277.48 and 124.16 is: 186.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185 : 277.48 = 124.16 : x
  2. Step 2: Convert to fraction form
    185/277.48 = 124.16/x
  3. Step 3: Cross multiply
    185x = 277.48 × 124.16
  4. Step 4: Simplify right side
    185x = 34,451.92
  5. Step 5: Solve for x
    x = 34,451.92/185
  6. Step 6: Final answer
    x = 186.23

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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.