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Finding the Fourth Proportional to 567.28, 848.80 and 475

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Solution

The fourth proportional to 567.28, 848.80 and 475 is: 710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.28 : 848.80 = 475 : x
  2. Step 2: Convert to fraction form
    567.28/848.80 = 475/x
  3. Step 3: Cross multiply
    567.28x = 848.80 × 475
  4. Step 4: Simplify right side
    567.28x = 403,180
  5. Step 5: Solve for x
    x = 403,180/567.28
  6. Step 6: Final answer
    x = 710.72

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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.