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Finding the Fourth Proportional to 466.62, 700.08 and 142.05

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Solution

The fourth proportional to 466.62, 700.08 and 142.05 is: 213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.62 : 700.08 = 142.05 : x
  2. Step 2: Convert to fraction form
    466.62/700.08 = 142.05/x
  3. Step 3: Cross multiply
    466.62x = 700.08 × 142.05
  4. Step 4: Simplify right side
    466.62x = 99,446.36
  5. Step 5: Solve for x
    x = 99,446.36/466.62
  6. Step 6: Final answer
    x = 213.12

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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.