Finding the Fourth Proportional to 75.98, 114.05 and 50.31
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Solution
The fourth proportional to 75.98, 114.05 and 50.31 is: 75.52
Step by Step Solution
- Step 1: Write the proportion equation
75.98 : 114.05 = 50.31 : x - Step 2: Convert to fraction form
75.98/114.05 = 50.31/x - Step 3: Cross multiply
75.98x = 114.05 × 50.31 - Step 4: Simplify right side
75.98x = 5,737.98 - Step 5: Solve for x
x = 5,737.98/75.98 - Step 6: Final answer
x = 75.52
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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.