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Finding the Fourth Proportional to 582.22, 871.91 and 376.17

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Solution

The fourth proportional to 582.22, 871.91 and 376.17 is: 563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.22 : 871.91 = 376.17 : x
  2. Step 2: Convert to fraction form
    582.22/871.91 = 376.17/x
  3. Step 3: Cross multiply
    582.22x = 871.91 × 376.17
  4. Step 4: Simplify right side
    582.22x = 327,980.14
  5. Step 5: Solve for x
    x = 327,980.14/582.22
  6. Step 6: Final answer
    x = 563.32

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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.