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Finding the Fourth Proportional to 712.38, 983.53 and 546.27

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Solution

The fourth proportional to 712.38, 983.53 and 546.27 is: 754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712.38 : 983.53 = 546.27 : x
  2. Step 2: Convert to fraction form
    712.38/983.53 = 546.27/x
  3. Step 3: Cross multiply
    712.38x = 983.53 × 546.27
  4. Step 4: Simplify right side
    712.38x = 537,274.03
  5. Step 5: Solve for x
    x = 537,274.03/712.38
  6. Step 6: Final answer
    x = 754.20

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.