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Finding the Fourth Proportional to 882.16, 1,323.09 and 334.19

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Solution

The fourth proportional to 882.16, 1,323.09 and 334.19 is: 501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.16 : 1,323.09 = 334.19 : x
  2. Step 2: Convert to fraction form
    882.16/1,323.09 = 334.19/x
  3. Step 3: Cross multiply
    882.16x = 1,323.09 × 334.19
  4. Step 4: Simplify right side
    882.16x = 442,166.75
  5. Step 5: Solve for x
    x = 442,166.75/882.16
  6. Step 6: Final answer
    x = 501.23

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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.