Finding the Fourth Proportional to 338.24, 507.28 and 132.68
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Solution
The fourth proportional to 338.24, 507.28 and 132.68 is: 198.99
Step by Step Solution
- Step 1: Write the proportion equation
338.24 : 507.28 = 132.68 : x - Step 2: Convert to fraction form
338.24/507.28 = 132.68/x - Step 3: Cross multiply
338.24x = 507.28 × 132.68 - Step 4: Simplify right side
338.24x = 67,305.91 - Step 5: Solve for x
x = 67,305.91/338.24 - Step 6: Final answer
x = 198.99
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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.