Finding the Fourth Proportional to 135.84, 202.32 and 135.15
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Solution
The fourth proportional to 135.84, 202.32 and 135.15 is: 201.29
Step by Step Solution
- Step 1: Write the proportion equation
135.84 : 202.32 = 135.15 : x - Step 2: Convert to fraction form
135.84/202.32 = 135.15/x - Step 3: Cross multiply
135.84x = 202.32 × 135.15 - Step 4: Simplify right side
135.84x = 27,343.55 - Step 5: Solve for x
x = 27,343.55/135.84 - Step 6: Final answer
x = 201.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.