Finding the Fourth Proportional to 153.99, 230.71 and 108.18
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Solution
The fourth proportional to 153.99, 230.71 and 108.18 is: 162.08
Step by Step Solution
- Step 1: Write the proportion equation
153.99 : 230.71 = 108.18 : x - Step 2: Convert to fraction form
153.99/230.71 = 108.18/x - Step 3: Cross multiply
153.99x = 230.71 × 108.18 - Step 4: Simplify right side
153.99x = 24,957.94 - Step 5: Solve for x
x = 24,957.94/153.99 - Step 6: Final answer
x = 162.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.