Finding the Fourth Proportional to 398.93, 597.74 and 283.19
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Solution
The fourth proportional to 398.93, 597.74 and 283.19 is: 424.31
Step by Step Solution
- Step 1: Write the proportion equation
398.93 : 597.74 = 283.19 : x - Step 2: Convert to fraction form
398.93/597.74 = 283.19/x - Step 3: Cross multiply
398.93x = 597.74 × 283.19 - Step 4: Simplify right side
398.93x = 169,269.59 - Step 5: Solve for x
x = 169,269.59/398.93 - Step 6: Final answer
x = 424.31
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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.