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Finding the Fourth Proportional to 567.21, 850.13 and 293.15

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Solution

The fourth proportional to 567.21, 850.13 and 293.15 is: 439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.21 : 850.13 = 293.15 : x
  2. Step 2: Convert to fraction form
    567.21/850.13 = 293.15/x
  3. Step 3: Cross multiply
    567.21x = 850.13 × 293.15
  4. Step 4: Simplify right side
    567.21x = 249,215.61
  5. Step 5: Solve for x
    x = 249,215.61/567.21
  6. Step 6: Final answer
    x = 439.37

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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.