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Finding the Fourth Proportional to 567.08, 849.90 and 307.20

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Solution

The fourth proportional to 567.08, 849.90 and 307.20 is: 460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.08 : 849.90 = 307.20 : x
  2. Step 2: Convert to fraction form
    567.08/849.90 = 307.20/x
  3. Step 3: Cross multiply
    567.08x = 849.90 × 307.20
  4. Step 4: Simplify right side
    567.08x = 261,089.28
  5. Step 5: Solve for x
    x = 261,089.28/567.08
  6. Step 6: Final answer
    x = 460.41

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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.