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Finding the Fourth Proportional to 635.55, 953.72 and 310.94

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Solution

The fourth proportional to 635.55, 953.72 and 310.94 is: 466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.55 : 953.72 = 310.94 : x
  2. Step 2: Convert to fraction form
    635.55/953.72 = 310.94/x
  3. Step 3: Cross multiply
    635.55x = 953.72 × 310.94
  4. Step 4: Simplify right side
    635.55x = 296,549.70
  5. Step 5: Solve for x
    x = 296,549.70/635.55
  6. Step 6: Final answer
    x = 466.60

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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.