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Finding the Fourth Proportional to 960.31, 1,324.92 and 567.19

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Solution

The fourth proportional to 960.31, 1,324.92 and 567.19 is: 782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.31 : 1,324.92 = 567.19 : x
  2. Step 2: Convert to fraction form
    960.31/1,324.92 = 567.19/x
  3. Step 3: Cross multiply
    960.31x = 1,324.92 × 567.19
  4. Step 4: Simplify right side
    960.31x = 751,481.37
  5. Step 5: Solve for x
    x = 751,481.37/960.31
  6. Step 6: Final answer
    x = 782.54

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.