Finding the Fourth Proportional to 574.98, 793.44 and 312.99
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Solution
The fourth proportional to 574.98, 793.44 and 312.99 is: 431.91
Step by Step Solution
- Step 1: Write the proportion equation
574.98 : 793.44 = 312.99 : x - Step 2: Convert to fraction form
574.98/793.44 = 312.99/x - Step 3: Cross multiply
574.98x = 793.44 × 312.99 - Step 4: Simplify right side
574.98x = 248,338.79 - Step 5: Solve for x
x = 248,338.79/574.98 - Step 6: Final answer
x = 431.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.