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Finding the Fourth Proportional to 473.14, 653.43 and 325.50

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Solution

The fourth proportional to 473.14, 653.43 and 325.50 is: 449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.14 : 653.43 = 325.50 : x
  2. Step 2: Convert to fraction form
    473.14/653.43 = 325.50/x
  3. Step 3: Cross multiply
    473.14x = 653.43 × 325.50
  4. Step 4: Simplify right side
    473.14x = 212,691.47
  5. Step 5: Solve for x
    x = 212,691.47/473.14
  6. Step 6: Final answer
    x = 449.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.