Finding the Fourth Proportional to 338.67, 507.93 and 95.18
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Solution
The fourth proportional to 338.67, 507.93 and 95.18 is: 142.74
Step by Step Solution
- Step 1: Write the proportion equation
338.67 : 507.93 = 95.18 : x - Step 2: Convert to fraction form
338.67/507.93 = 95.18/x - Step 3: Cross multiply
338.67x = 507.93 × 95.18 - Step 4: Simplify right side
338.67x = 48,342.24 - Step 5: Solve for x
x = 48,342.24/338.67 - Step 6: Final answer
x = 142.74
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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.