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Finding the Fourth Proportional to 567.18, 851.07 and 293.20

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Solution

The fourth proportional to 567.18, 851.07 and 293.20 is: 439.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.18 : 851.07 = 293.20 : x
  2. Step 2: Convert to fraction form
    567.18/851.07 = 293.20/x
  3. Step 3: Cross multiply
    567.18x = 851.07 × 293.20
  4. Step 4: Simplify right side
    567.18x = 249,533.72
  5. Step 5: Solve for x
    x = 249,533.72/567.18
  6. Step 6: Final answer
    x = 439.96

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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.