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Finding the Fourth Proportional to 143.41, 214.99 and 62.19

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Solution

The fourth proportional to 143.41, 214.99 and 62.19 is: 93.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.41 : 214.99 = 62.19 : x
  2. Step 2: Convert to fraction form
    143.41/214.99 = 62.19/x
  3. Step 3: Cross multiply
    143.41x = 214.99 × 62.19
  4. Step 4: Simplify right side
    143.41x = 13,370.42
  5. Step 5: Solve for x
    x = 13,370.42/143.41
  6. Step 6: Final answer
    x = 93.23

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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.