Finding the Fourth Proportional to 368.07, 507.93 and 202.28
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Solution
The fourth proportional to 368.07, 507.93 and 202.28 is: 279.14
Step by Step Solution
- Step 1: Write the proportion equation
368.07 : 507.93 = 202.28 : x - Step 2: Convert to fraction form
368.07/507.93 = 202.28/x - Step 3: Cross multiply
368.07x = 507.93 × 202.28 - Step 4: Simplify right side
368.07x = 102,744.08 - Step 5: Solve for x
x = 102,744.08/368.07 - Step 6: Final answer
x = 279.14
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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.