Finding the Fourth Proportional to 135.08, 203.75 and 135.08
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Solution
The fourth proportional to 135.08, 203.75 and 135.08 is: 203.75
Step by Step Solution
- Step 1: Write the proportion equation
135.08 : 203.75 = 135.08 : x - Step 2: Convert to fraction form
135.08/203.75 = 135.08/x - Step 3: Cross multiply
135.08x = 203.75 × 135.08 - Step 4: Simplify right side
135.08x = 27,522.55 - Step 5: Solve for x
x = 27,522.55/135.08 - Step 6: Final answer
x = 203.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.