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Finding the Fourth Proportional to 567.04, 849.73 and 278.68

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Solution

The fourth proportional to 567.04, 849.73 and 278.68 is: 417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.04 : 849.73 = 278.68 : x
  2. Step 2: Convert to fraction form
    567.04/849.73 = 278.68/x
  3. Step 3: Cross multiply
    567.04x = 849.73 × 278.68
  4. Step 4: Simplify right side
    567.04x = 236,802.76
  5. Step 5: Solve for x
    x = 236,802.76/567.04
  6. Step 6: Final answer
    x = 417.61

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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.