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Finding the Fourth Proportional to 588.09, 881.79 and 313.65

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Solution

The fourth proportional to 588.09, 881.79 and 313.65 is: 470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.09 : 881.79 = 313.65 : x
  2. Step 2: Convert to fraction form
    588.09/881.79 = 313.65/x
  3. Step 3: Cross multiply
    588.09x = 881.79 × 313.65
  4. Step 4: Simplify right side
    588.09x = 276,573.43
  5. Step 5: Solve for x
    x = 276,573.43/588.09
  6. Step 6: Final answer
    x = 470.29

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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.