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Finding the Fourth Proportional to 246.45, 340.08 and 135.93

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Solution

The fourth proportional to 246.45, 340.08 and 135.93 is: 187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.45 : 340.08 = 135.93 : x
  2. Step 2: Convert to fraction form
    246.45/340.08 = 135.93/x
  3. Step 3: Cross multiply
    246.45x = 340.08 × 135.93
  4. Step 4: Simplify right side
    246.45x = 46,227.07
  5. Step 5: Solve for x
    x = 46,227.07/246.45
  6. Step 6: Final answer
    x = 187.57

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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.