Finding the Fourth Proportional to 135.33, 186.69 and 102.63
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Solution
The fourth proportional to 135.33, 186.69 and 102.63 is: 141.58
Step by Step Solution
- Step 1: Write the proportion equation
135.33 : 186.69 = 102.63 : x - Step 2: Convert to fraction form
135.33/186.69 = 102.63/x - Step 3: Cross multiply
135.33x = 186.69 × 102.63 - Step 4: Simplify right side
135.33x = 19,159.99 - Step 5: Solve for x
x = 19,159.99/135.33 - Step 6: Final answer
x = 141.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.