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Finding the Fourth Proportional to 567.15, 851.01 and 259.23

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Solution

The fourth proportional to 567.15, 851.01 and 259.23 is: 388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.15 : 851.01 = 259.23 : x
  2. Step 2: Convert to fraction form
    567.15/851.01 = 259.23/x
  3. Step 3: Cross multiply
    567.15x = 851.01 × 259.23
  4. Step 4: Simplify right side
    567.15x = 220,607.32
  5. Step 5: Solve for x
    x = 220,607.32/567.15
  6. Step 6: Final answer
    x = 388.98

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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.