Finding the Fourth Proportional to 135.62, 203.40 and 58.67
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Solution
The fourth proportional to 135.62, 203.40 and 58.67 is: 87.99
Step by Step Solution
- Step 1: Write the proportion equation
135.62 : 203.40 = 58.67 : x - Step 2: Convert to fraction form
135.62/203.40 = 58.67/x - Step 3: Cross multiply
135.62x = 203.40 × 58.67 - Step 4: Simplify right side
135.62x = 11,933.99 - Step 5: Solve for x
x = 11,933.99/135.62 - Step 6: Final answer
x = 87.99
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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.