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Finding the Fourth Proportional to 466.71, 699.86 and 142.02

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Solution

The fourth proportional to 466.71, 699.86 and 142.02 is: 212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.71 : 699.86 = 142.02 : x
  2. Step 2: Convert to fraction form
    466.71/699.86 = 142.02/x
  3. Step 3: Cross multiply
    466.71x = 699.86 × 142.02
  4. Step 4: Simplify right side
    466.71x = 99,394.12
  5. Step 5: Solve for x
    x = 99,394.12/466.71
  6. Step 6: Final answer
    x = 212.97

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