Finding the Fourth Proportional to 349.93, 482.93 and 202.56
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Solution
The fourth proportional to 349.93, 482.93 and 202.56 is: 279.55
Step by Step Solution
- Step 1: Write the proportion equation
349.93 : 482.93 = 202.56 : x - Step 2: Convert to fraction form
349.93/482.93 = 202.56/x - Step 3: Cross multiply
349.93x = 482.93 × 202.56 - Step 4: Simplify right side
349.93x = 97,822.30 - Step 5: Solve for x
x = 97,822.30/349.93 - Step 6: Final answer
x = 279.55
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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.