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Finding the Fourth Proportional to 566.38, 849 and 322.40

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Solution

The fourth proportional to 566.38, 849 and 322.40 is: 483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.38 : 849 = 322.40 : x
  2. Step 2: Convert to fraction form
    566.38/849 = 322.40/x
  3. Step 3: Cross multiply
    566.38x = 849 × 322.40
  4. Step 4: Simplify right side
    566.38x = 273,717.60
  5. Step 5: Solve for x
    x = 273,717.60/566.38
  6. Step 6: Final answer
    x = 483.28

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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.