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Finding the Fourth Proportional to 478.36, 718.44 and 467.44

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Solution

The fourth proportional to 478.36, 718.44 and 467.44 is: 702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    478.36 : 718.44 = 467.44 : x
  2. Step 2: Convert to fraction form
    478.36/718.44 = 467.44/x
  3. Step 3: Cross multiply
    478.36x = 718.44 × 467.44
  4. Step 4: Simplify right side
    478.36x = 335,827.59
  5. Step 5: Solve for x
    x = 335,827.59/478.36
  6. Step 6: Final answer
    x = 702.04

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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.