Finding the Fourth Proportional to 349.68, 482.44 and 202.28
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Solution
The fourth proportional to 349.68, 482.44 and 202.28 is: 279.08
Step by Step Solution
- Step 1: Write the proportion equation
349.68 : 482.44 = 202.28 : x - Step 2: Convert to fraction form
349.68/482.44 = 202.28/x - Step 3: Cross multiply
349.68x = 482.44 × 202.28 - Step 4: Simplify right side
349.68x = 97,587.96 - Step 5: Solve for x
x = 97,587.96/349.68 - Step 6: Final answer
x = 279.08
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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.