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Finding the Fourth Proportional to 435.05, 600.35 and 238.55

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Solution

The fourth proportional to 435.05, 600.35 and 238.55 is: 329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.05 : 600.35 = 238.55 : x
  2. Step 2: Convert to fraction form
    435.05/600.35 = 238.55/x
  3. Step 3: Cross multiply
    435.05x = 600.35 × 238.55
  4. Step 4: Simplify right side
    435.05x = 143,209.30
  5. Step 5: Solve for x
    x = 143,209.30/435.05
  6. Step 6: Final answer
    x = 329.18

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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.