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Finding the Fourth Proportional to 966.77, 1,334.19 and 568.55

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Solution

The fourth proportional to 966.77, 1,334.19 and 568.55 is: 784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.77 : 1,334.19 = 568.55 : x
  2. Step 2: Convert to fraction form
    966.77/1,334.19 = 568.55/x
  3. Step 3: Cross multiply
    966.77x = 1,334.19 × 568.55
  4. Step 4: Simplify right side
    966.77x = 758,553.72
  5. Step 5: Solve for x
    x = 758,553.72/966.77
  6. Step 6: Final answer
    x = 784.63

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.