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Finding the Fourth Proportional to 314.00, 470.56 and 236.89

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Solution

The fourth proportional to 314.00, 470.56 and 236.89 is: 355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314.00 : 470.56 = 236.89 : x
  2. Step 2: Convert to fraction form
    314.00/470.56 = 236.89/x
  3. Step 3: Cross multiply
    314.00x = 470.56 × 236.89
  4. Step 4: Simplify right side
    314.00x = 111,470.96
  5. Step 5: Solve for x
    x = 111,470.96/314.00
  6. Step 6: Final answer
    x = 355.01

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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.