Finding the Fourth Proportional to 646.74, 892.53 and 366.99
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Solution
The fourth proportional to 646.74, 892.53 and 366.99 is: 506.46
Step by Step Solution
- Step 1: Write the proportion equation
646.74 : 892.53 = 366.99 : x - Step 2: Convert to fraction form
646.74/892.53 = 366.99/x - Step 3: Cross multiply
646.74x = 892.53 × 366.99 - Step 4: Simplify right side
646.74x = 327,549.58 - Step 5: Solve for x
x = 327,549.58/646.74 - Step 6: Final answer
x = 506.46
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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.