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Finding the Fourth Proportional to 461.83, 633.16 and 453.64

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Solution

The fourth proportional to 461.83, 633.16 and 453.64 is: 621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.83 : 633.16 = 453.64 : x
  2. Step 2: Convert to fraction form
    461.83/633.16 = 453.64/x
  3. Step 3: Cross multiply
    461.83x = 633.16 × 453.64
  4. Step 4: Simplify right side
    461.83x = 287,226.70
  5. Step 5: Solve for x
    x = 287,226.70/461.83
  6. Step 6: Final answer
    x = 621.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.