Finding the Fourth Proportional to 349.93, 482.95 and 202.53
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Solution
The fourth proportional to 349.93, 482.95 and 202.53 is: 279.52
Step by Step Solution
- Step 1: Write the proportion equation
349.93 : 482.95 = 202.53 : x - Step 2: Convert to fraction form
349.93/482.95 = 202.53/x - Step 3: Cross multiply
349.93x = 482.95 × 202.53 - Step 4: Simplify right side
349.93x = 97,813.93 - Step 5: Solve for x
x = 97,813.93/349.93 - Step 6: Final answer
x = 279.52
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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.