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Finding the Fourth Proportional to 596.28, 823.14 and 397.20

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Solution

The fourth proportional to 596.28, 823.14 and 397.20 is: 548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    596.28 : 823.14 = 397.20 : x
  2. Step 2: Convert to fraction form
    596.28/823.14 = 397.20/x
  3. Step 3: Cross multiply
    596.28x = 823.14 × 397.20
  4. Step 4: Simplify right side
    596.28x = 326,951.21
  5. Step 5: Solve for x
    x = 326,951.21/596.28
  6. Step 6: Final answer
    x = 548.32

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.