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Finding the Fourth Proportional to 534.56, 801.56 and 245.75

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Solution

The fourth proportional to 534.56, 801.56 and 245.75 is: 368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.56 : 801.56 = 245.75 : x
  2. Step 2: Convert to fraction form
    534.56/801.56 = 245.75/x
  3. Step 3: Cross multiply
    534.56x = 801.56 × 245.75
  4. Step 4: Simplify right side
    534.56x = 196,982.14
  5. Step 5: Solve for x
    x = 196,982.14/534.56
  6. Step 6: Final answer
    x = 368.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.