Finding the Fourth Proportional to 122.24, 184.26 and 115.63
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Solution
The fourth proportional to 122.24, 184.26 and 115.63 is: 174.29
Step by Step Solution
- Step 1: Write the proportion equation
122.24 : 184.26 = 115.63 : x - Step 2: Convert to fraction form
122.24/184.26 = 115.63/x - Step 3: Cross multiply
122.24x = 184.26 × 115.63 - Step 4: Simplify right side
122.24x = 21,305.31 - Step 5: Solve for x
x = 21,305.31/122.24 - Step 6: Final answer
x = 174.29
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.