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Finding the Fourth Proportional to 313.33, 470.07 and 118.33

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Solution

The fourth proportional to 313.33, 470.07 and 118.33 is: 177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.33 : 470.07 = 118.33 : x
  2. Step 2: Convert to fraction form
    313.33/470.07 = 118.33/x
  3. Step 3: Cross multiply
    313.33x = 470.07 × 118.33
  4. Step 4: Simplify right side
    313.33x = 55,622.21
  5. Step 5: Solve for x
    x = 55,622.21/313.33
  6. Step 6: Final answer
    x = 177.52

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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.