Finding the Fourth Proportional to 397.53, 595.91 and 153.99
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Solution
The fourth proportional to 397.53, 595.91 and 153.99 is: 230.84
Step by Step Solution
- Step 1: Write the proportion equation
397.53 : 595.91 = 153.99 : x - Step 2: Convert to fraction form
397.53/595.91 = 153.99/x - Step 3: Cross multiply
397.53x = 595.91 × 153.99 - Step 4: Simplify right side
397.53x = 91,764.57 - Step 5: Solve for x
x = 91,764.57/397.53 - Step 6: Final answer
x = 230.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.