Home / 578.10-867.25-304.27

Finding the Fourth Proportional to 578.10, 867.25 and 304.27

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Solution

The fourth proportional to 578.10, 867.25 and 304.27 is: 456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578.10 : 867.25 = 304.27 : x
  2. Step 2: Convert to fraction form
    578.10/867.25 = 304.27/x
  3. Step 3: Cross multiply
    578.10x = 867.25 × 304.27
  4. Step 4: Simplify right side
    578.10x = 263,878.16
  5. Step 5: Solve for x
    x = 263,878.16/578.10
  6. Step 6: Final answer
    x = 456.46

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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.