Finding the Fourth Proportional to 170.58, 235.32 and 115.26
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Solution
The fourth proportional to 170.58, 235.32 and 115.26 is: 159.00
Step by Step Solution
- Step 1: Write the proportion equation
170.58 : 235.32 = 115.26 : x - Step 2: Convert to fraction form
170.58/235.32 = 115.26/x - Step 3: Cross multiply
170.58x = 235.32 × 115.26 - Step 4: Simplify right side
170.58x = 27,122.98 - Step 5: Solve for x
x = 27,122.98/170.58 - Step 6: Final answer
x = 159.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.