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Finding the Fourth Proportional to 960.32, 1,325.23 and 534.94

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Solution

The fourth proportional to 960.32, 1,325.23 and 534.94 is: 738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.32 : 1,325.23 = 534.94 : x
  2. Step 2: Convert to fraction form
    960.32/1,325.23 = 534.94/x
  3. Step 3: Cross multiply
    960.32x = 1,325.23 × 534.94
  4. Step 4: Simplify right side
    960.32x = 708,919.17
  5. Step 5: Solve for x
    x = 708,919.17/960.32
  6. Step 6: Final answer
    x = 738.21

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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.