Finding the Fourth Proportional to 177.23, 266 and 84.79
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Solution
The fourth proportional to 177.23, 266 and 84.79 is: 127.26
Step by Step Solution
- Step 1: Write the proportion equation
177.23 : 266 = 84.79 : x - Step 2: Convert to fraction form
177.23/266 = 84.79/x - Step 3: Cross multiply
177.23x = 266 × 84.79 - Step 4: Simplify right side
177.23x = 22,554.14 - Step 5: Solve for x
x = 22,554.14/177.23 - Step 6: Final answer
x = 127.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.