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Finding the Fourth Proportional to 435.01, 600.20 and 279.85

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Solution

The fourth proportional to 435.01, 600.20 and 279.85 is: 386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.01 : 600.20 = 279.85 : x
  2. Step 2: Convert to fraction form
    435.01/600.20 = 279.85/x
  3. Step 3: Cross multiply
    435.01x = 600.20 × 279.85
  4. Step 4: Simplify right side
    435.01x = 167,964.57
  5. Step 5: Solve for x
    x = 167,964.57/435.01
  6. Step 6: Final answer
    x = 386.12

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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.