Finding the Fourth Proportional to 349.95, 524.86 and 130.68
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Solution
The fourth proportional to 349.95, 524.86 and 130.68 is: 195.99
Step by Step Solution
- Step 1: Write the proportion equation
349.95 : 524.86 = 130.68 : x - Step 2: Convert to fraction form
349.95/524.86 = 130.68/x - Step 3: Cross multiply
349.95x = 524.86 × 130.68 - Step 4: Simplify right side
349.95x = 68,586.08 - Step 5: Solve for x
x = 68,586.08/349.95 - Step 6: Final answer
x = 195.99
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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.