Finding the Fourth Proportional to 147.24, 203 and 98.08
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Solution
The fourth proportional to 147.24, 203 and 98.08 is: 135.22
Step by Step Solution
- Step 1: Write the proportion equation
147.24 : 203 = 98.08 : x - Step 2: Convert to fraction form
147.24/203 = 98.08/x - Step 3: Cross multiply
147.24x = 203 × 98.08 - Step 4: Simplify right side
147.24x = 19,910.24 - Step 5: Solve for x
x = 19,910.24/147.24 - Step 6: Final answer
x = 135.22
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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.