Finding the Fourth Proportional to 466.96, 642.99 and 423.01
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Solution
The fourth proportional to 466.96, 642.99 and 423.01 is: 582.47
Step by Step Solution
- Step 1: Write the proportion equation
466.96 : 642.99 = 423.01 : x - Step 2: Convert to fraction form
466.96/642.99 = 423.01/x - Step 3: Cross multiply
466.96x = 642.99 × 423.01 - Step 4: Simplify right side
466.96x = 271,991.20 - Step 5: Solve for x
x = 271,991.20/466.96 - Step 6: Final answer
x = 582.47
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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.