Home / 850.24-1,275.06-302.32

Finding the Fourth Proportional to 850.24, 1,275.06 and 302.32

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Solution

The fourth proportional to 850.24, 1,275.06 and 302.32 is: 453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.24 : 1,275.06 = 302.32 : x
  2. Step 2: Convert to fraction form
    850.24/1,275.06 = 302.32/x
  3. Step 3: Cross multiply
    850.24x = 1,275.06 × 302.32
  4. Step 4: Simplify right side
    850.24x = 385,476.14
  5. Step 5: Solve for x
    x = 385,476.14/850.24
  6. Step 6: Final answer
    x = 453.37

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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.