Finding the Fourth Proportional to 305.44, 458.07 and 149.17
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Solution
The fourth proportional to 305.44, 458.07 and 149.17 is: 223.71
Step by Step Solution
- Step 1: Write the proportion equation
305.44 : 458.07 = 149.17 : x - Step 2: Convert to fraction form
305.44/458.07 = 149.17/x - Step 3: Cross multiply
305.44x = 458.07 × 149.17 - Step 4: Simplify right side
305.44x = 68,328.92 - Step 5: Solve for x
x = 68,328.92/305.44 - Step 6: Final answer
x = 223.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.