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Finding the Fourth Proportional to 584.70, 876.09 and 310.38

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Solution

The fourth proportional to 584.70, 876.09 and 310.38 is: 465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.70 : 876.09 = 310.38 : x
  2. Step 2: Convert to fraction form
    584.70/876.09 = 310.38/x
  3. Step 3: Cross multiply
    584.70x = 876.09 × 310.38
  4. Step 4: Simplify right side
    584.70x = 271,920.81
  5. Step 5: Solve for x
    x = 271,920.81/584.70
  6. Step 6: Final answer
    x = 465.06

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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.