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Finding the Fourth Proportional to 973.91, 1,460.97 and 324.56

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Solution

The fourth proportional to 973.91, 1,460.97 and 324.56 is: 486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.91 : 1,460.97 = 324.56 : x
  2. Step 2: Convert to fraction form
    973.91/1,460.97 = 324.56/x
  3. Step 3: Cross multiply
    973.91x = 1,460.97 × 324.56
  4. Step 4: Simplify right side
    973.91x = 474,176.08
  5. Step 5: Solve for x
    x = 474,176.08/973.91
  6. Step 6: Final answer
    x = 486.88

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Double scale
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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.