Finding the Fourth Proportional to 454.18, 626.99 and 321.52
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Solution
The fourth proportional to 454.18, 626.99 and 321.52 is: 443.85
Step by Step Solution
- Step 1: Write the proportion equation
454.18 : 626.99 = 321.52 : x - Step 2: Convert to fraction form
454.18/626.99 = 321.52/x - Step 3: Cross multiply
454.18x = 626.99 × 321.52 - Step 4: Simplify right side
454.18x = 201,589.63 - Step 5: Solve for x
x = 201,589.63/454.18 - Step 6: Final answer
x = 443.85
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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.