Finding the Fourth Proportional to 428.15, 590.84 and 241.70
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Solution
The fourth proportional to 428.15, 590.84 and 241.70 is: 333.54
Step by Step Solution
- Step 1: Write the proportion equation
428.15 : 590.84 = 241.70 : x - Step 2: Convert to fraction form
428.15/590.84 = 241.70/x - Step 3: Cross multiply
428.15x = 590.84 × 241.70 - Step 4: Simplify right side
428.15x = 142,804.99 - Step 5: Solve for x
x = 142,804.99/428.15 - Step 6: Final answer
x = 333.54
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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.