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Finding the Fourth Proportional to 467.58, 700.48 and 391.03

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Solution

The fourth proportional to 467.58, 700.48 and 391.03 is: 585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.58 : 700.48 = 391.03 : x
  2. Step 2: Convert to fraction form
    467.58/700.48 = 391.03/x
  3. Step 3: Cross multiply
    467.58x = 700.48 × 391.03
  4. Step 4: Simplify right side
    467.58x = 273,908.69
  5. Step 5: Solve for x
    x = 273,908.69/467.58
  6. Step 6: Final answer
    x = 585.80

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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.