Finding the Fourth Proportional to 349.91, 482.87 and 202.53
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Solution
The fourth proportional to 349.91, 482.87 and 202.53 is: 279.49
Step by Step Solution
- Step 1: Write the proportion equation
349.91 : 482.87 = 202.53 : x - Step 2: Convert to fraction form
349.91/482.87 = 202.53/x - Step 3: Cross multiply
349.91x = 482.87 × 202.53 - Step 4: Simplify right side
349.91x = 97,794.65 - Step 5: Solve for x
x = 97,794.65/349.91 - Step 6: Final answer
x = 279.49
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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.