Finding the Fourth Proportional to 201.52, 277.99 and 136.09
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Solution
The fourth proportional to 201.52, 277.99 and 136.09 is: 187.73
Step by Step Solution
- Step 1: Write the proportion equation
201.52 : 277.99 = 136.09 : x - Step 2: Convert to fraction form
201.52/277.99 = 136.09/x - Step 3: Cross multiply
201.52x = 277.99 × 136.09 - Step 4: Simplify right side
201.52x = 37,831.66 - Step 5: Solve for x
x = 37,831.66/201.52 - Step 6: Final answer
x = 187.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.