Finding the Fourth Proportional to 305.84, 461.15 and 301.99
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Solution
The fourth proportional to 305.84, 461.15 and 301.99 is: 455.35
Step by Step Solution
- Step 1: Write the proportion equation
305.84 : 461.15 = 301.99 : x - Step 2: Convert to fraction form
305.84/461.15 = 301.99/x - Step 3: Cross multiply
305.84x = 461.15 × 301.99 - Step 4: Simplify right side
305.84x = 139,264.34 - Step 5: Solve for x
x = 139,264.34/305.84 - Step 6: Final answer
x = 455.35
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.