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Finding the Fourth Proportional to 462.26, 637.04 and 314.63

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Solution

The fourth proportional to 462.26, 637.04 and 314.63 is: 433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.26 : 637.04 = 314.63 : x
  2. Step 2: Convert to fraction form
    462.26/637.04 = 314.63/x
  3. Step 3: Cross multiply
    462.26x = 637.04 × 314.63
  4. Step 4: Simplify right side
    462.26x = 200,434.58
  5. Step 5: Solve for x
    x = 200,434.58/462.26
  6. Step 6: Final answer
    x = 433.60

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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.