Finding the Fourth Proportional to 135.09, 202.65 and 96.63
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Solution
The fourth proportional to 135.09, 202.65 and 96.63 is: 144.96
Step by Step Solution
- Step 1: Write the proportion equation
135.09 : 202.65 = 96.63 : x - Step 2: Convert to fraction form
135.09/202.65 = 96.63/x - Step 3: Cross multiply
135.09x = 202.65 × 96.63 - Step 4: Simplify right side
135.09x = 19,582.07 - Step 5: Solve for x
x = 19,582.07/135.09 - Step 6: Final answer
x = 144.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.