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Finding the Fourth Proportional to 466.88, 700.50 and 142.28

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Solution

The fourth proportional to 466.88, 700.50 and 142.28 is: 213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.88 : 700.50 = 142.28 : x
  2. Step 2: Convert to fraction form
    466.88/700.50 = 142.28/x
  3. Step 3: Cross multiply
    466.88x = 700.50 × 142.28
  4. Step 4: Simplify right side
    466.88x = 99,667.14
  5. Step 5: Solve for x
    x = 99,667.14/466.88
  6. Step 6: Final answer
    x = 213.47

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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.