Finding the Fourth Proportional to 201.24, 277.68 and 135.72
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Solution
The fourth proportional to 201.24, 277.68 and 135.72 is: 187.27
Step by Step Solution
- Step 1: Write the proportion equation
201.24 : 277.68 = 135.72 : x - Step 2: Convert to fraction form
201.24/277.68 = 135.72/x - Step 3: Cross multiply
201.24x = 277.68 × 135.72 - Step 4: Simplify right side
201.24x = 37,686.73 - Step 5: Solve for x
x = 37,686.73/201.24 - Step 6: Final answer
x = 187.27
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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.