Finding the Fourth Proportional to 310.11, 465.02 and 104.63
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Solution
The fourth proportional to 310.11, 465.02 and 104.63 is: 156.89
Step by Step Solution
- Step 1: Write the proportion equation
310.11 : 465.02 = 104.63 : x - Step 2: Convert to fraction form
310.11/465.02 = 104.63/x - Step 3: Cross multiply
310.11x = 465.02 × 104.63 - Step 4: Simplify right side
310.11x = 48,652.19 - Step 5: Solve for x
x = 48,652.19/310.11 - Step 6: Final answer
x = 156.89
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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.