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Finding the Fourth Proportional to 636.48, 948.15 and 596.64

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Solution

The fourth proportional to 636.48, 948.15 and 596.64 is: 888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.48 : 948.15 = 596.64 : x
  2. Step 2: Convert to fraction form
    636.48/948.15 = 596.64/x
  3. Step 3: Cross multiply
    636.48x = 948.15 × 596.64
  4. Step 4: Simplify right side
    636.48x = 565,704.22
  5. Step 5: Solve for x
    x = 565,704.22/636.48
  6. Step 6: Final answer
    x = 888.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.