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Finding the Fourth Proportional to 960.19, 1,324.69 and 605.95

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Solution

The fourth proportional to 960.19, 1,324.69 and 605.95 is: 835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.19 : 1,324.69 = 605.95 : x
  2. Step 2: Convert to fraction form
    960.19/1,324.69 = 605.95/x
  3. Step 3: Cross multiply
    960.19x = 1,324.69 × 605.95
  4. Step 4: Simplify right side
    960.19x = 802,691.08
  5. Step 5: Solve for x
    x = 802,691.08/960.19
  6. Step 6: Final answer
    x = 835.97

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.