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Finding the Fourth Proportional to 497.30, 746.45 and 223.47

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Solution

The fourth proportional to 497.30, 746.45 and 223.47 is: 335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.30 : 746.45 = 223.47 : x
  2. Step 2: Convert to fraction form
    497.30/746.45 = 223.47/x
  3. Step 3: Cross multiply
    497.30x = 746.45 × 223.47
  4. Step 4: Simplify right side
    497.30x = 166,808.06
  5. Step 5: Solve for x
    x = 166,808.06/497.30
  6. Step 6: Final answer
    x = 335.43

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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.