Finding the Fourth Proportional to 397.53, 596.39 and 153.99
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Solution
The fourth proportional to 397.53, 596.39 and 153.99 is: 231.02
Step by Step Solution
- Step 1: Write the proportion equation
397.53 : 596.39 = 153.99 : x - Step 2: Convert to fraction form
397.53/596.39 = 153.99/x - Step 3: Cross multiply
397.53x = 596.39 × 153.99 - Step 4: Simplify right side
397.53x = 91,838.10 - Step 5: Solve for x
x = 91,838.10/397.53 - Step 6: Final answer
x = 231.02
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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.