Finding the Fourth Proportional to 134.67, 201.93 and 73.79
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Solution
The fourth proportional to 134.67, 201.93 and 73.79 is: 110.64
Step by Step Solution
- Step 1: Write the proportion equation
134.67 : 201.93 = 73.79 : x - Step 2: Convert to fraction form
134.67/201.93 = 73.79/x - Step 3: Cross multiply
134.67x = 201.93 × 73.79 - Step 4: Simplify right side
134.67x = 14,900.41 - Step 5: Solve for x
x = 14,900.41/134.67 - Step 6: Final answer
x = 110.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.