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Finding the Fourth Proportional to 467.53, 645.26 and 452.89

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Solution

The fourth proportional to 467.53, 645.26 and 452.89 is: 625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.53 : 645.26 = 452.89 : x
  2. Step 2: Convert to fraction form
    467.53/645.26 = 452.89/x
  3. Step 3: Cross multiply
    467.53x = 645.26 × 452.89
  4. Step 4: Simplify right side
    467.53x = 292,231.80
  5. Step 5: Solve for x
    x = 292,231.80/467.53
  6. Step 6: Final answer
    x = 625.05

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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.