Finding the Fourth Proportional to 135.18, 201.56 and 132.75
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Solution
The fourth proportional to 135.18, 201.56 and 132.75 is: 197.94
Step by Step Solution
- Step 1: Write the proportion equation
135.18 : 201.56 = 132.75 : x - Step 2: Convert to fraction form
135.18/201.56 = 132.75/x - Step 3: Cross multiply
135.18x = 201.56 × 132.75 - Step 4: Simplify right side
135.18x = 26,757.09 - Step 5: Solve for x
x = 26,757.09/135.18 - Step 6: Final answer
x = 197.94
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.