Finding the Fourth Proportional to 379.99, 569.08 and 197.29
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Solution
The fourth proportional to 379.99, 569.08 and 197.29 is: 295.46
Step by Step Solution
- Step 1: Write the proportion equation
379.99 : 569.08 = 197.29 : x - Step 2: Convert to fraction form
379.99/569.08 = 197.29/x - Step 3: Cross multiply
379.99x = 569.08 × 197.29 - Step 4: Simplify right side
379.99x = 112,270.44 - Step 5: Solve for x
x = 112,270.44/379.99 - Step 6: Final answer
x = 295.46
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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.