Finding the Fourth Proportional to 431.25, 594.99 and 283.97
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Solution
The fourth proportional to 431.25, 594.99 and 283.97 is: 391.78
Step by Step Solution
- Step 1: Write the proportion equation
431.25 : 594.99 = 283.97 : x - Step 2: Convert to fraction form
431.25/594.99 = 283.97/x - Step 3: Cross multiply
431.25x = 594.99 × 283.97 - Step 4: Simplify right side
431.25x = 168,956.34 - Step 5: Solve for x
x = 168,956.34/431.25 - Step 6: Final answer
x = 391.78
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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.