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Finding the Fourth Proportional to 636.21, 949.08 and 592.02

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Solution

The fourth proportional to 636.21, 949.08 and 592.02 is: 883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.21 : 949.08 = 592.02 : x
  2. Step 2: Convert to fraction form
    636.21/949.08 = 592.02/x
  3. Step 3: Cross multiply
    636.21x = 949.08 × 592.02
  4. Step 4: Simplify right side
    636.21x = 561,874.34
  5. Step 5: Solve for x
    x = 561,874.34/636.21
  6. Step 6: Final answer
    x = 883.16

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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.