Finding the Fourth Proportional to 135.44, 186.93 and 102.64
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Solution
The fourth proportional to 135.44, 186.93 and 102.64 is: 141.65
Step by Step Solution
- Step 1: Write the proportion equation
135.44 : 186.93 = 102.64 : x - Step 2: Convert to fraction form
135.44/186.93 = 102.64/x - Step 3: Cross multiply
135.44x = 186.93 × 102.64 - Step 4: Simplify right side
135.44x = 19,185.56 - Step 5: Solve for x
x = 19,185.56/135.44 - Step 6: Final answer
x = 141.65
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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.