Finding the Fourth Proportional to 203.31, 280.68 and 159.99
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Solution
The fourth proportional to 203.31, 280.68 and 159.99 is: 220.87
Step by Step Solution
- Step 1: Write the proportion equation
203.31 : 280.68 = 159.99 : x - Step 2: Convert to fraction form
203.31/280.68 = 159.99/x - Step 3: Cross multiply
203.31x = 280.68 × 159.99 - Step 4: Simplify right side
203.31x = 44,905.99 - Step 5: Solve for x
x = 44,905.99/203.31 - Step 6: Final answer
x = 220.87
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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.