Finding the Fourth Proportional to 175.44, 263.26 and 79.26
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Solution
The fourth proportional to 175.44, 263.26 and 79.26 is: 118.94
Step by Step Solution
- Step 1: Write the proportion equation
175.44 : 263.26 = 79.26 : x - Step 2: Convert to fraction form
175.44/263.26 = 79.26/x - Step 3: Cross multiply
175.44x = 263.26 × 79.26 - Step 4: Simplify right side
175.44x = 20,865.99 - Step 5: Solve for x
x = 20,865.99/175.44 - Step 6: Final answer
x = 118.94
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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.