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Finding the Fourth Proportional to 467.95, 700.54 and 284.79

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Solution

The fourth proportional to 467.95, 700.54 and 284.79 is: 426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.95 : 700.54 = 284.79 : x
  2. Step 2: Convert to fraction form
    467.95/700.54 = 284.79/x
  3. Step 3: Cross multiply
    467.95x = 700.54 × 284.79
  4. Step 4: Simplify right side
    467.95x = 199,506.79
  5. Step 5: Solve for x
    x = 199,506.79/467.95
  6. Step 6: Final answer
    x = 426.34

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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.