Finding the Fourth Proportional to 175.28, 262.98 and 79.14
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Solution
The fourth proportional to 175.28, 262.98 and 79.14 is: 118.74
Step by Step Solution
- Step 1: Write the proportion equation
175.28 : 262.98 = 79.14 : x - Step 2: Convert to fraction form
175.28/262.98 = 79.14/x - Step 3: Cross multiply
175.28x = 262.98 × 79.14 - Step 4: Simplify right side
175.28x = 20,812.24 - Step 5: Solve for x
x = 20,812.24/175.28 - Step 6: Final answer
x = 118.74
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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.