Finding the Fourth Proportional to 177.99, 245.62 and 104.31
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Solution
The fourth proportional to 177.99, 245.62 and 104.31 is: 143.94
Step by Step Solution
- Step 1: Write the proportion equation
177.99 : 245.62 = 104.31 : x - Step 2: Convert to fraction form
177.99/245.62 = 104.31/x - Step 3: Cross multiply
177.99x = 245.62 × 104.31 - Step 4: Simplify right side
177.99x = 25,620.62 - Step 5: Solve for x
x = 25,620.62/177.99 - Step 6: Final answer
x = 143.94
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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.