Finding the Fourth Proportional to 113.49, 169.36 and 101.34
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Solution
The fourth proportional to 113.49, 169.36 and 101.34 is: 151.23
Step by Step Solution
- Step 1: Write the proportion equation
113.49 : 169.36 = 101.34 : x - Step 2: Convert to fraction form
113.49/169.36 = 101.34/x - Step 3: Cross multiply
113.49x = 169.36 × 101.34 - Step 4: Simplify right side
113.49x = 17,162.94 - Step 5: Solve for x
x = 17,162.94/113.49 - Step 6: Final answer
x = 151.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.