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Finding the Fourth Proportional to 557.52, 835.56 and 496.08

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Solution

The fourth proportional to 557.52, 835.56 and 496.08 is: 743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.52 : 835.56 = 496.08 : x
  2. Step 2: Convert to fraction form
    557.52/835.56 = 496.08/x
  3. Step 3: Cross multiply
    557.52x = 835.56 × 496.08
  4. Step 4: Simplify right side
    557.52x = 414,504.60
  5. Step 5: Solve for x
    x = 414,504.60/557.52
  6. Step 6: Final answer
    x = 743.48

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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.