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Finding the Fourth Proportional to 592.04, 816.44 and 392.72

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Solution

The fourth proportional to 592.04, 816.44 and 392.72 is: 541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.04 : 816.44 = 392.72 : x
  2. Step 2: Convert to fraction form
    592.04/816.44 = 392.72/x
  3. Step 3: Cross multiply
    592.04x = 816.44 × 392.72
  4. Step 4: Simplify right side
    592.04x = 320,626.27
  5. Step 5: Solve for x
    x = 320,626.27/592.04
  6. Step 6: Final answer
    x = 541.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.