Finding the Fourth Proportional to 349.90, 482.93 and 202.62
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Solution
The fourth proportional to 349.90, 482.93 and 202.62 is: 279.65
Step by Step Solution
- Step 1: Write the proportion equation
349.90 : 482.93 = 202.62 : x - Step 2: Convert to fraction form
349.90/482.93 = 202.62/x - Step 3: Cross multiply
349.90x = 482.93 × 202.62 - Step 4: Simplify right side
349.90x = 97,847.85 - Step 5: Solve for x
x = 97,847.85/349.90 - Step 6: Final answer
x = 279.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.