Finding the Fourth Proportional to 177.91, 266.77 and 68.19
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Solution
The fourth proportional to 177.91, 266.77 and 68.19 is: 102.25
Step by Step Solution
- Step 1: Write the proportion equation
177.91 : 266.77 = 68.19 : x - Step 2: Convert to fraction form
177.91/266.77 = 68.19/x - Step 3: Cross multiply
177.91x = 266.77 × 68.19 - Step 4: Simplify right side
177.91x = 18,191.05 - Step 5: Solve for x
x = 18,191.05/177.91 - Step 6: Final answer
x = 102.25
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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.