Finding the Fourth Proportional to 177.22, 265.88 and 69.09
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Solution
The fourth proportional to 177.22, 265.88 and 69.09 is: 103.65
Step by Step Solution
- Step 1: Write the proportion equation
177.22 : 265.88 = 69.09 : x - Step 2: Convert to fraction form
177.22/265.88 = 69.09/x - Step 3: Cross multiply
177.22x = 265.88 × 69.09 - Step 4: Simplify right side
177.22x = 18,369.65 - Step 5: Solve for x
x = 18,369.65/177.22 - Step 6: Final answer
x = 103.65
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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.