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Finding the Fourth Proportional to 482.76, 718.27 and 481.14

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Solution

The fourth proportional to 482.76, 718.27 and 481.14 is: 715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.76 : 718.27 = 481.14 : x
  2. Step 2: Convert to fraction form
    482.76/718.27 = 481.14/x
  3. Step 3: Cross multiply
    482.76x = 718.27 × 481.14
  4. Step 4: Simplify right side
    482.76x = 345,587.22
  5. Step 5: Solve for x
    x = 345,587.22/482.76
  6. Step 6: Final answer
    x = 715.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.