Finding the Fourth Proportional to 135.42, 186.99 and 96.08
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Solution
The fourth proportional to 135.42, 186.99 and 96.08 is: 132.67
Step by Step Solution
- Step 1: Write the proportion equation
135.42 : 186.99 = 96.08 : x - Step 2: Convert to fraction form
135.42/186.99 = 96.08/x - Step 3: Cross multiply
135.42x = 186.99 × 96.08 - Step 4: Simplify right side
135.42x = 17,966.47 - Step 5: Solve for x
x = 17,966.47/135.42 - Step 6: Final answer
x = 132.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.