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Finding the Fourth Proportional to 467.80, 700.42 and 239.32

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Solution

The fourth proportional to 467.80, 700.42 and 239.32 is: 358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.80 : 700.42 = 239.32 : x
  2. Step 2: Convert to fraction form
    467.80/700.42 = 239.32/x
  3. Step 3: Cross multiply
    467.80x = 700.42 × 239.32
  4. Step 4: Simplify right side
    467.80x = 167,624.51
  5. Step 5: Solve for x
    x = 167,624.51/467.80
  6. Step 6: Final answer
    x = 358.33

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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.