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Finding the Fourth Proportional to 246.06, 339.55 and 135.55

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Solution

The fourth proportional to 246.06, 339.55 and 135.55 is: 187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.06 : 339.55 = 135.55 : x
  2. Step 2: Convert to fraction form
    246.06/339.55 = 135.55/x
  3. Step 3: Cross multiply
    246.06x = 339.55 × 135.55
  4. Step 4: Simplify right side
    246.06x = 46,026.00
  5. Step 5: Solve for x
    x = 46,026.00/246.06
  6. Step 6: Final answer
    x = 187.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.