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Finding the Fourth Proportional to 350.09, 483.08 and 202.70

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Solution

The fourth proportional to 350.09, 483.08 and 202.70 is: 279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.09 : 483.08 = 202.70 : x
  2. Step 2: Convert to fraction form
    350.09/483.08 = 202.70/x
  3. Step 3: Cross multiply
    350.09x = 483.08 × 202.70
  4. Step 4: Simplify right side
    350.09x = 97,920.32
  5. Step 5: Solve for x
    x = 97,920.32/350.09
  6. Step 6: Final answer
    x = 279.70

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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.