Finding the Fourth Proportional to 373.21, 514.99 and 207.42
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Solution
The fourth proportional to 373.21, 514.99 and 207.42 is: 286.22
Step by Step Solution
- Step 1: Write the proportion equation
373.21 : 514.99 = 207.42 : x - Step 2: Convert to fraction form
373.21/514.99 = 207.42/x - Step 3: Cross multiply
373.21x = 514.99 × 207.42 - Step 4: Simplify right side
373.21x = 106,819.23 - Step 5: Solve for x
x = 106,819.23/373.21 - Step 6: Final answer
x = 286.22
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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.