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Finding the Fourth Proportional to 246.58, 369.88 and 102.18

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Solution

The fourth proportional to 246.58, 369.88 and 102.18 is: 153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.58 : 369.88 = 102.18 : x
  2. Step 2: Convert to fraction form
    246.58/369.88 = 102.18/x
  3. Step 3: Cross multiply
    246.58x = 369.88 × 102.18
  4. Step 4: Simplify right side
    246.58x = 37,794.34
  5. Step 5: Solve for x
    x = 37,794.34/246.58
  6. Step 6: Final answer
    x = 153.27

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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.