Finding the Fourth Proportional to 134.67, 201.74 and 65.99
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Solution
The fourth proportional to 134.67, 201.74 and 65.99 is: 98.85
Step by Step Solution
- Step 1: Write the proportion equation
134.67 : 201.74 = 65.99 : x - Step 2: Convert to fraction form
134.67/201.74 = 65.99/x - Step 3: Cross multiply
134.67x = 201.74 × 65.99 - Step 4: Simplify right side
134.67x = 13,311.48 - Step 5: Solve for x
x = 13,311.48/134.67 - Step 6: Final answer
x = 98.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.