Finding the Fourth Proportional to 170.77, 235.44 and 123.99
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Solution
The fourth proportional to 170.77, 235.44 and 123.99 is: 170.94
Step by Step Solution
- Step 1: Write the proportion equation
170.77 : 235.44 = 123.99 : x - Step 2: Convert to fraction form
170.77/235.44 = 123.99/x - Step 3: Cross multiply
170.77x = 235.44 × 123.99 - Step 4: Simplify right side
170.77x = 29,192.21 - Step 5: Solve for x
x = 29,192.21/170.77 - Step 6: Final answer
x = 170.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.