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Finding the Fourth Proportional to 246.51, 370.53 and 155.79

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Solution

The fourth proportional to 246.51, 370.53 and 155.79 is: 234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.51 : 370.53 = 155.79 : x
  2. Step 2: Convert to fraction form
    246.51/370.53 = 155.79/x
  3. Step 3: Cross multiply
    246.51x = 370.53 × 155.79
  4. Step 4: Simplify right side
    246.51x = 57,724.87
  5. Step 5: Solve for x
    x = 57,724.87/246.51
  6. Step 6: Final answer
    x = 234.17

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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.