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Finding the Fourth Proportional to 966.69, 1,334.07 and 593.55

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Solution

The fourth proportional to 966.69, 1,334.07 and 593.55 is: 819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.69 : 1,334.07 = 593.55 : x
  2. Step 2: Convert to fraction form
    966.69/1,334.07 = 593.55/x
  3. Step 3: Cross multiply
    966.69x = 1,334.07 × 593.55
  4. Step 4: Simplify right side
    966.69x = 791,837.25
  5. Step 5: Solve for x
    x = 791,837.25/966.69
  6. Step 6: Final answer
    x = 819.12

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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.