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Finding the Fourth Proportional to 567.09, 851.40 and 293.40

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Solution

The fourth proportional to 567.09, 851.40 and 293.40 is: 440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.09 : 851.40 = 293.40 : x
  2. Step 2: Convert to fraction form
    567.09/851.40 = 293.40/x
  3. Step 3: Cross multiply
    567.09x = 851.40 × 293.40
  4. Step 4: Simplify right side
    567.09x = 249,800.76
  5. Step 5: Solve for x
    x = 249,800.76/567.09
  6. Step 6: Final answer
    x = 440.50

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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.