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Finding the Fourth Proportional to 246.02, 369.02 and 72.68

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Solution

The fourth proportional to 246.02, 369.02 and 72.68 is: 109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.02 : 369.02 = 72.68 : x
  2. Step 2: Convert to fraction form
    246.02/369.02 = 72.68/x
  3. Step 3: Cross multiply
    246.02x = 369.02 × 72.68
  4. Step 4: Simplify right side
    246.02x = 26,818.71
  5. Step 5: Solve for x
    x = 26,818.71/246.02
  6. Step 6: Final answer
    x = 109.01

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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.