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Finding the Fourth Proportional to 482.00, 722.99 and 157.36

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Solution

The fourth proportional to 482.00, 722.99 and 157.36 is: 236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.00 : 722.99 = 157.36 : x
  2. Step 2: Convert to fraction form
    482.00/722.99 = 157.36/x
  3. Step 3: Cross multiply
    482.00x = 722.99 × 157.36
  4. Step 4: Simplify right side
    482.00x = 113,769.65
  5. Step 5: Solve for x
    x = 113,769.65/482.00
  6. Step 6: Final answer
    x = 236.04

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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.