Finding the Fourth Proportional to 110.29, 165.44 and 66.99
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Solution
The fourth proportional to 110.29, 165.44 and 66.99 is: 100.49
Step by Step Solution
- Step 1: Write the proportion equation
110.29 : 165.44 = 66.99 : x - Step 2: Convert to fraction form
110.29/165.44 = 66.99/x - Step 3: Cross multiply
110.29x = 165.44 × 66.99 - Step 4: Simplify right side
110.29x = 11,082.00 - Step 5: Solve for x
x = 11,082.00/110.29 - Step 6: Final answer
x = 100.49
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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.