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Finding the Fourth Proportional to 479.01, 716.85 and 356.97

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Solution

The fourth proportional to 479.01, 716.85 and 356.97 is: 534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.01 : 716.85 = 356.97 : x
  2. Step 2: Convert to fraction form
    479.01/716.85 = 356.97/x
  3. Step 3: Cross multiply
    479.01x = 716.85 × 356.97
  4. Step 4: Simplify right side
    479.01x = 255,893.94
  5. Step 5: Solve for x
    x = 255,893.94/479.01
  6. Step 6: Final answer
    x = 534.21

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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.