Finding the Fourth Proportional to 683.18, 1,024.76 and 170.18
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Solution
The fourth proportional to 683.18, 1,024.76 and 170.18 is: 255.26
Step by Step Solution
- Step 1: Write the proportion equation
683.18 : 1,024.76 = 170.18 : x - Step 2: Convert to fraction form
683.18/1,024.76 = 170.18/x - Step 3: Cross multiply
683.18x = 1,024.76 × 170.18 - Step 4: Simplify right side
683.18x = 174,390.24 - Step 5: Solve for x
x = 174,390.24/683.18 - Step 6: Final answer
x = 255.26
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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.