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Finding the Fourth Proportional to 267.06, 397.89 and 250.50

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Solution

The fourth proportional to 267.06, 397.89 and 250.50 is: 373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.06 : 397.89 = 250.50 : x
  2. Step 2: Convert to fraction form
    267.06/397.89 = 250.50/x
  3. Step 3: Cross multiply
    267.06x = 397.89 × 250.50
  4. Step 4: Simplify right side
    267.06x = 99,671.45
  5. Step 5: Solve for x
    x = 99,671.45/267.06
  6. Step 6: Final answer
    x = 373.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.