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Finding the Fourth Proportional to 311.58, 466.62 and 203.04

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Solution

The fourth proportional to 311.58, 466.62 and 203.04 is: 304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.58 : 466.62 = 203.04 : x
  2. Step 2: Convert to fraction form
    311.58/466.62 = 203.04/x
  3. Step 3: Cross multiply
    311.58x = 466.62 × 203.04
  4. Step 4: Simplify right side
    311.58x = 94,742.52
  5. Step 5: Solve for x
    x = 94,742.52/311.58
  6. Step 6: Final answer
    x = 304.07

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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.