Finding the Fourth Proportional to 453.43, 625.77 and 256.99
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Solution
The fourth proportional to 453.43, 625.77 and 256.99 is: 354.67
Step by Step Solution
- Step 1: Write the proportion equation
453.43 : 625.77 = 256.99 : x - Step 2: Convert to fraction form
453.43/625.77 = 256.99/x - Step 3: Cross multiply
453.43x = 625.77 × 256.99 - Step 4: Simplify right side
453.43x = 160,816.63 - Step 5: Solve for x
x = 160,816.63/453.43 - Step 6: Final answer
x = 354.67
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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.