Finding the Fourth Proportional to 339.36, 508.98 and 95.84
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Solution
The fourth proportional to 339.36, 508.98 and 95.84 is: 143.74
Step by Step Solution
- Step 1: Write the proportion equation
339.36 : 508.98 = 95.84 : x - Step 2: Convert to fraction form
339.36/508.98 = 95.84/x - Step 3: Cross multiply
339.36x = 508.98 × 95.84 - Step 4: Simplify right side
339.36x = 48,778.10 - Step 5: Solve for x
x = 48,778.10/339.36 - Step 6: Final answer
x = 143.74
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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.