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Finding the Fourth Proportional to 435.08, 651.94 and 272.27

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Solution

The fourth proportional to 435.08, 651.94 and 272.27 is: 407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.08 : 651.94 = 272.27 : x
  2. Step 2: Convert to fraction form
    435.08/651.94 = 272.27/x
  3. Step 3: Cross multiply
    435.08x = 651.94 × 272.27
  4. Step 4: Simplify right side
    435.08x = 177,503.70
  5. Step 5: Solve for x
    x = 177,503.70/435.08
  6. Step 6: Final answer
    x = 407.98

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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.