Finding the Fourth Proportional to 349.17, 481.74 and 207.35
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Solution
The fourth proportional to 349.17, 481.74 and 207.35 is: 286.07
Step by Step Solution
- Step 1: Write the proportion equation
349.17 : 481.74 = 207.35 : x - Step 2: Convert to fraction form
349.17/481.74 = 207.35/x - Step 3: Cross multiply
349.17x = 481.74 × 207.35 - Step 4: Simplify right side
349.17x = 99,887.99 - Step 5: Solve for x
x = 99,887.99/349.17 - Step 6: Final answer
x = 286.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.