Finding the Fourth Proportional to 203.04, 280 and 153.92
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Solution
The fourth proportional to 203.04, 280 and 153.92 is: 212.26
Step by Step Solution
- Step 1: Write the proportion equation
203.04 : 280 = 153.92 : x - Step 2: Convert to fraction form
203.04/280 = 153.92/x - Step 3: Cross multiply
203.04x = 280 × 153.92 - Step 4: Simplify right side
203.04x = 43,097.60 - Step 5: Solve for x
x = 43,097.60/203.04 - Step 6: Final answer
x = 212.26
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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.