Finding the Fourth Proportional to 307.41, 461.12 and 101.99
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Solution
The fourth proportional to 307.41, 461.12 and 101.99 is: 152.98
Step by Step Solution
- Step 1: Write the proportion equation
307.41 : 461.12 = 101.99 : x - Step 2: Convert to fraction form
307.41/461.12 = 101.99/x - Step 3: Cross multiply
307.41x = 461.12 × 101.99 - Step 4: Simplify right side
307.41x = 47,026.81 - Step 5: Solve for x
x = 47,026.81/307.41 - Step 6: Final answer
x = 152.98
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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.