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Finding the Fourth Proportional to 497.24, 742.23 and 492.68

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Solution

The fourth proportional to 497.24, 742.23 and 492.68 is: 735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.24 : 742.23 = 492.68 : x
  2. Step 2: Convert to fraction form
    497.24/742.23 = 492.68/x
  3. Step 3: Cross multiply
    497.24x = 742.23 × 492.68
  4. Step 4: Simplify right side
    497.24x = 365,681.88
  5. Step 5: Solve for x
    x = 365,681.88/497.24
  6. Step 6: Final answer
    x = 735.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.