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Finding the Fourth Proportional to 483.28, 718.71 and 467.91

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Solution

The fourth proportional to 483.28, 718.71 and 467.91 is: 695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.28 : 718.71 = 467.91 : x
  2. Step 2: Convert to fraction form
    483.28/718.71 = 467.91/x
  3. Step 3: Cross multiply
    483.28x = 718.71 × 467.91
  4. Step 4: Simplify right side
    483.28x = 336,285.66
  5. Step 5: Solve for x
    x = 336,285.66/483.28
  6. Step 6: Final answer
    x = 695.84

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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.