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Finding the Fourth Proportional to 435.96, 656.88 and 360.62

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Solution

The fourth proportional to 435.96, 656.88 and 360.62 is: 543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.96 : 656.88 = 360.62 : x
  2. Step 2: Convert to fraction form
    435.96/656.88 = 360.62/x
  3. Step 3: Cross multiply
    435.96x = 656.88 × 360.62
  4. Step 4: Simplify right side
    435.96x = 236,880.78
  5. Step 5: Solve for x
    x = 236,880.78/435.96
  6. Step 6: Final answer
    x = 543.35

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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.