Finding the Fourth Proportional to 418.12, 576.99 and 270.84
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Solution
The fourth proportional to 418.12, 576.99 and 270.84 is: 373.75
Step by Step Solution
- Step 1: Write the proportion equation
418.12 : 576.99 = 270.84 : x - Step 2: Convert to fraction form
418.12/576.99 = 270.84/x - Step 3: Cross multiply
418.12x = 576.99 × 270.84 - Step 4: Simplify right side
418.12x = 156,271.97 - Step 5: Solve for x
x = 156,271.97/418.12 - Step 6: Final answer
x = 373.75
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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.