Finding the Fourth Proportional to 135.22, 202.97 and 96.75
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Solution
The fourth proportional to 135.22, 202.97 and 96.75 is: 145.23
Step by Step Solution
- Step 1: Write the proportion equation
135.22 : 202.97 = 96.75 : x - Step 2: Convert to fraction form
135.22/202.97 = 96.75/x - Step 3: Cross multiply
135.22x = 202.97 × 96.75 - Step 4: Simplify right side
135.22x = 19,637.35 - Step 5: Solve for x
x = 19,637.35/135.22 - Step 6: Final answer
x = 145.23
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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.