Finding the Fourth Proportional to 135.84, 203.84 and 134.74
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Solution
The fourth proportional to 135.84, 203.84 and 134.74 is: 202.19
Step by Step Solution
- Step 1: Write the proportion equation
135.84 : 203.84 = 134.74 : x - Step 2: Convert to fraction form
135.84/203.84 = 134.74/x - Step 3: Cross multiply
135.84x = 203.84 × 134.74 - Step 4: Simplify right side
135.84x = 27,465.40 - Step 5: Solve for x
x = 27,465.40/135.84 - Step 6: Final answer
x = 202.19
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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.