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Finding the Fourth Proportional to 528.08, 796.12 and 492.84

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Solution

The fourth proportional to 528.08, 796.12 and 492.84 is: 743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.08 : 796.12 = 492.84 : x
  2. Step 2: Convert to fraction form
    528.08/796.12 = 492.84/x
  3. Step 3: Cross multiply
    528.08x = 796.12 × 492.84
  4. Step 4: Simplify right side
    528.08x = 392,358.55
  5. Step 5: Solve for x
    x = 392,358.55/528.08
  6. Step 6: Final answer
    x = 743.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.