Finding the Fourth Proportional to 338.60, 508.14 and 335.08
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Solution
The fourth proportional to 338.60, 508.14 and 335.08 is: 502.86
Step by Step Solution
- Step 1: Write the proportion equation
338.60 : 508.14 = 335.08 : x - Step 2: Convert to fraction form
338.60/508.14 = 335.08/x - Step 3: Cross multiply
338.60x = 508.14 × 335.08 - Step 4: Simplify right side
338.60x = 170,267.55 - Step 5: Solve for x
x = 170,267.55/338.60 - Step 6: Final answer
x = 502.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.