Finding the Fourth Proportional to 339.18, 508.67 and 133.73
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Solution
The fourth proportional to 339.18, 508.67 and 133.73 is: 200.56
Step by Step Solution
- Step 1: Write the proportion equation
339.18 : 508.67 = 133.73 : x - Step 2: Convert to fraction form
339.18/508.67 = 133.73/x - Step 3: Cross multiply
339.18x = 508.67 × 133.73 - Step 4: Simplify right side
339.18x = 68,024.44 - Step 5: Solve for x
x = 68,024.44/339.18 - Step 6: Final answer
x = 200.56
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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.