Finding the Fourth Proportional to 458.09, 687.26 and 149.99
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Solution
The fourth proportional to 458.09, 687.26 and 149.99 is: 225.03
Step by Step Solution
- Step 1: Write the proportion equation
458.09 : 687.26 = 149.99 : x - Step 2: Convert to fraction form
458.09/687.26 = 149.99/x - Step 3: Cross multiply
458.09x = 687.26 × 149.99 - Step 4: Simplify right side
458.09x = 103,082.13 - Step 5: Solve for x
x = 103,082.13/458.09 - Step 6: Final answer
x = 225.03
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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.