Finding the Fourth Proportional to 395.14, 592.74 and 121.23
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Solution
The fourth proportional to 395.14, 592.74 and 121.23 is: 181.85
Step by Step Solution
- Step 1: Write the proportion equation
395.14 : 592.74 = 121.23 : x - Step 2: Convert to fraction form
395.14/592.74 = 121.23/x - Step 3: Cross multiply
395.14x = 592.74 × 121.23 - Step 4: Simplify right side
395.14x = 71,857.26 - Step 5: Solve for x
x = 71,857.26/395.14 - Step 6: Final answer
x = 181.85
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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.