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Finding the Fourth Proportional to 571.67, 857.52 and 246.81

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Solution

The fourth proportional to 571.67, 857.52 and 246.81 is: 370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.67 : 857.52 = 246.81 : x
  2. Step 2: Convert to fraction form
    571.67/857.52 = 246.81/x
  3. Step 3: Cross multiply
    571.67x = 857.52 × 246.81
  4. Step 4: Simplify right side
    571.67x = 211,644.51
  5. Step 5: Solve for x
    x = 211,644.51/571.67
  6. Step 6: Final answer
    x = 370.22

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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.