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Finding the Fourth Proportional to 483.47, 725.03 and 158.75

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Solution

The fourth proportional to 483.47, 725.03 and 158.75 is: 238.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.47 : 725.03 = 158.75 : x
  2. Step 2: Convert to fraction form
    483.47/725.03 = 158.75/x
  3. Step 3: Cross multiply
    483.47x = 725.03 × 158.75
  4. Step 4: Simplify right side
    483.47x = 115,098.51
  5. Step 5: Solve for x
    x = 115,098.51/483.47
  6. Step 6: Final answer
    x = 238.07

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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.