Finding the Fourth Proportional to 203.19, 305.01 and 154.32
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Solution
The fourth proportional to 203.19, 305.01 and 154.32 is: 231.65
Step by Step Solution
- Step 1: Write the proportion equation
203.19 : 305.01 = 154.32 : x - Step 2: Convert to fraction form
203.19/305.01 = 154.32/x - Step 3: Cross multiply
203.19x = 305.01 × 154.32 - Step 4: Simplify right side
203.19x = 47,069.14 - Step 5: Solve for x
x = 47,069.14/203.19 - Step 6: Final answer
x = 231.65
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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.