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Finding the Fourth Proportional to 633.10, 948.18 and 459.04

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Solution

The fourth proportional to 633.10, 948.18 and 459.04 is: 687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.10 : 948.18 = 459.04 : x
  2. Step 2: Convert to fraction form
    633.10/948.18 = 459.04/x
  3. Step 3: Cross multiply
    633.10x = 948.18 × 459.04
  4. Step 4: Simplify right side
    633.10x = 435,252.55
  5. Step 5: Solve for x
    x = 435,252.55/633.10
  6. Step 6: Final answer
    x = 687.49

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.