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Finding the Fourth Proportional to 497.44, 746.40 and 324.24

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Solution

The fourth proportional to 497.44, 746.40 and 324.24 is: 486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.44 : 746.40 = 324.24 : x
  2. Step 2: Convert to fraction form
    497.44/746.40 = 324.24/x
  3. Step 3: Cross multiply
    497.44x = 746.40 × 324.24
  4. Step 4: Simplify right side
    497.44x = 242,012.74
  5. Step 5: Solve for x
    x = 242,012.74/497.44
  6. Step 6: Final answer
    x = 486.52

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1.5x scale

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.