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Finding the Fourth Proportional to 313.53, 470.37 and 94.14

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Solution

The fourth proportional to 313.53, 470.37 and 94.14 is: 141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.53 : 470.37 = 94.14 : x
  2. Step 2: Convert to fraction form
    313.53/470.37 = 94.14/x
  3. Step 3: Cross multiply
    313.53x = 470.37 × 94.14
  4. Step 4: Simplify right side
    313.53x = 44,282.39
  5. Step 5: Solve for x
    x = 44,282.39/313.53
  6. Step 6: Final answer
    x = 141.24

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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.