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Finding the Fourth Proportional to 240.87, 332.45 and 170.10

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Solution

The fourth proportional to 240.87, 332.45 and 170.10 is: 234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.87 : 332.45 = 170.10 : x
  2. Step 2: Convert to fraction form
    240.87/332.45 = 170.10/x
  3. Step 3: Cross multiply
    240.87x = 332.45 × 170.10
  4. Step 4: Simplify right side
    240.87x = 56,550.49
  5. Step 5: Solve for x
    x = 56,550.49/240.87
  6. Step 6: Final answer
    x = 234.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.