Finding the Fourth Proportional to 339.18, 508.84 and 202.06
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Solution
The fourth proportional to 339.18, 508.84 and 202.06 is: 303.13
Step by Step Solution
- Step 1: Write the proportion equation
339.18 : 508.84 = 202.06 : x - Step 2: Convert to fraction form
339.18/508.84 = 202.06/x - Step 3: Cross multiply
339.18x = 508.84 × 202.06 - Step 4: Simplify right side
339.18x = 102,816.21 - Step 5: Solve for x
x = 102,816.21/339.18 - Step 6: Final answer
x = 303.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.