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Finding the Fourth Proportional to 462.06, 636.30 and 452.94

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Solution

The fourth proportional to 462.06, 636.30 and 452.94 is: 623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.06 : 636.30 = 452.94 : x
  2. Step 2: Convert to fraction form
    462.06/636.30 = 452.94/x
  3. Step 3: Cross multiply
    462.06x = 636.30 × 452.94
  4. Step 4: Simplify right side
    462.06x = 288,205.72
  5. Step 5: Solve for x
    x = 288,205.72/462.06
  6. Step 6: Final answer
    x = 623.74

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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.