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Finding the Fourth Proportional to 246.06, 369 and 72.70

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Solution

The fourth proportional to 246.06, 369 and 72.70 is: 109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.06 : 369 = 72.70 : x
  2. Step 2: Convert to fraction form
    246.06/369 = 72.70/x
  3. Step 3: Cross multiply
    246.06x = 369 × 72.70
  4. Step 4: Simplify right side
    246.06x = 26,826.30
  5. Step 5: Solve for x
    x = 26,826.30/246.06
  6. Step 6: Final answer
    x = 109.02

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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.