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Finding the Fourth Proportional to 473.55, 652.37 and 453.30

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Solution

The fourth proportional to 473.55, 652.37 and 453.30 is: 624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.55 : 652.37 = 453.30 : x
  2. Step 2: Convert to fraction form
    473.55/652.37 = 453.30/x
  3. Step 3: Cross multiply
    473.55x = 652.37 × 453.30
  4. Step 4: Simplify right side
    473.55x = 295,717.05
  5. Step 5: Solve for x
    x = 295,717.05/473.55
  6. Step 6: Final answer
    x = 624.47

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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.