Finding the Fourth Proportional to 392.93, 586.19 and 361.19
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Solution
The fourth proportional to 392.93, 586.19 and 361.19 is: 538.83
Step by Step Solution
- Step 1: Write the proportion equation
392.93 : 586.19 = 361.19 : x - Step 2: Convert to fraction form
392.93/586.19 = 361.19/x - Step 3: Cross multiply
392.93x = 586.19 × 361.19 - Step 4: Simplify right side
392.93x = 211,721.23 - Step 5: Solve for x
x = 211,721.23/392.93 - Step 6: Final answer
x = 538.83
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.