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Finding the Fourth Proportional to 435.48, 652.75 and 204.03

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Solution

The fourth proportional to 435.48, 652.75 and 204.03 is: 305.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.48 : 652.75 = 204.03 : x
  2. Step 2: Convert to fraction form
    435.48/652.75 = 204.03/x
  3. Step 3: Cross multiply
    435.48x = 652.75 × 204.03
  4. Step 4: Simplify right side
    435.48x = 133,176.30
  5. Step 5: Solve for x
    x = 133,176.30/435.48
  6. Step 6: Final answer
    x = 305.81

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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.