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Finding the Fourth Proportional to 584.10, 876.42 and 310.32

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Solution

The fourth proportional to 584.10, 876.42 and 310.32 is: 465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.10 : 876.42 = 310.32 : x
  2. Step 2: Convert to fraction form
    584.10/876.42 = 310.32/x
  3. Step 3: Cross multiply
    584.10x = 876.42 × 310.32
  4. Step 4: Simplify right side
    584.10x = 271,970.65
  5. Step 5: Solve for x
    x = 271,970.65/584.10
  6. Step 6: Final answer
    x = 465.62

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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.