Finding the Fourth Proportional to 387.14, 581.93 and 306.95
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Solution
The fourth proportional to 387.14, 581.93 and 306.95 is: 461.39
Step by Step Solution
- Step 1: Write the proportion equation
387.14 : 581.93 = 306.95 : x - Step 2: Convert to fraction form
387.14/581.93 = 306.95/x - Step 3: Cross multiply
387.14x = 581.93 × 306.95 - Step 4: Simplify right side
387.14x = 178,621.88 - Step 5: Solve for x
x = 178,621.88/387.14 - Step 6: Final answer
x = 461.39
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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.