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Finding the Fourth Proportional to 435.08, 652.62 and 110.45

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Solution

The fourth proportional to 435.08, 652.62 and 110.45 is: 165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435.08 : 652.62 = 110.45 : x
  2. Step 2: Convert to fraction form
    435.08/652.62 = 110.45/x
  3. Step 3: Cross multiply
    435.08x = 652.62 × 110.45
  4. Step 4: Simplify right side
    435.08x = 72,083.92
  5. Step 5: Solve for x
    x = 72,083.92/435.08
  6. Step 6: Final answer
    x = 165.68

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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.