Finding the Fourth Proportional to 175.97, 263.99 and 79.79
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Solution
The fourth proportional to 175.97, 263.99 and 79.79 is: 119.69
Step by Step Solution
- Step 1: Write the proportion equation
175.97 : 263.99 = 79.79 : x - Step 2: Convert to fraction form
175.97/263.99 = 79.79/x - Step 3: Cross multiply
175.97x = 263.99 × 79.79 - Step 4: Simplify right side
175.97x = 21,062.64 - Step 5: Solve for x
x = 21,062.64/175.97 - Step 6: Final answer
x = 119.69
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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.