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Finding the Fourth Proportional to 465.60, 701.04 and 436.80

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Solution

The fourth proportional to 465.60, 701.04 and 436.80 is: 657.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.60 : 701.04 = 436.80 : x
  2. Step 2: Convert to fraction form
    465.60/701.04 = 436.80/x
  3. Step 3: Cross multiply
    465.60x = 701.04 × 436.80
  4. Step 4: Simplify right side
    465.60x = 306,214.27
  5. Step 5: Solve for x
    x = 306,214.27/465.60
  6. Step 6: Final answer
    x = 657.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.