Finding the Fourth Proportional to 147.14, 203.08 and 84.96
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Solution
The fourth proportional to 147.14, 203.08 and 84.96 is: 117.26
Step by Step Solution
- Step 1: Write the proportion equation
147.14 : 203.08 = 84.96 : x - Step 2: Convert to fraction form
147.14/203.08 = 84.96/x - Step 3: Cross multiply
147.14x = 203.08 × 84.96 - Step 4: Simplify right side
147.14x = 17,253.68 - Step 5: Solve for x
x = 17,253.68/147.14 - Step 6: Final answer
x = 117.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.