Finding the Fourth Proportional to 135.88, 203.65 and 58.75
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Solution
The fourth proportional to 135.88, 203.65 and 58.75 is: 88.05
Step by Step Solution
- Step 1: Write the proportion equation
135.88 : 203.65 = 58.75 : x - Step 2: Convert to fraction form
135.88/203.65 = 58.75/x - Step 3: Cross multiply
135.88x = 203.65 × 58.75 - Step 4: Simplify right side
135.88x = 11,964.44 - Step 5: Solve for x
x = 11,964.44/135.88 - Step 6: Final answer
x = 88.05
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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.