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Finding the Fourth Proportional to 435.11, 652.46 and 174.99

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Solution

The fourth proportional to 435.11, 652.46 and 174.99 is: 262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.11 : 652.46 = 174.99 : x
  2. Step 2: Convert to fraction form
    435.11/652.46 = 174.99/x
  3. Step 3: Cross multiply
    435.11x = 652.46 × 174.99
  4. Step 4: Simplify right side
    435.11x = 114,175.55
  5. Step 5: Solve for x
    x = 114,175.55/435.11
  6. Step 6: Final answer
    x = 262.41

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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.