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Finding the Fourth Proportional to 967.29, 1,334.85 and 525.19

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Solution

The fourth proportional to 967.29, 1,334.85 and 525.19 is: 724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.29 : 1,334.85 = 525.19 : x
  2. Step 2: Convert to fraction form
    967.29/1,334.85 = 525.19/x
  3. Step 3: Cross multiply
    967.29x = 1,334.85 × 525.19
  4. Step 4: Simplify right side
    967.29x = 701,049.87
  5. Step 5: Solve for x
    x = 701,049.87/967.29
  6. Step 6: Final answer
    x = 724.76

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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.