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Finding the Fourth Proportional to 902.48, 1,353.24 and 468.56

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Solution

The fourth proportional to 902.48, 1,353.24 and 468.56 is: 702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.48 : 1,353.24 = 468.56 : x
  2. Step 2: Convert to fraction form
    902.48/1,353.24 = 468.56/x
  3. Step 3: Cross multiply
    902.48x = 1,353.24 × 468.56
  4. Step 4: Simplify right side
    902.48x = 634,074.13
  5. Step 5: Solve for x
    x = 634,074.13/902.48
  6. Step 6: Final answer
    x = 702.59

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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.