Finding the Fourth Proportional to 207.49, 310.93 and 156.17
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Solution
The fourth proportional to 207.49, 310.93 and 156.17 is: 234.03
Step by Step Solution
- Step 1: Write the proportion equation
207.49 : 310.93 = 156.17 : x - Step 2: Convert to fraction form
207.49/310.93 = 156.17/x - Step 3: Cross multiply
207.49x = 310.93 × 156.17 - Step 4: Simplify right side
207.49x = 48,557.94 - Step 5: Solve for x
x = 48,557.94/207.49 - Step 6: Final answer
x = 234.03
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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.