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Finding the Fourth Proportional to 343.66, 514.63 and 240.46

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Solution

The fourth proportional to 343.66, 514.63 and 240.46 is: 360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.66 : 514.63 = 240.46 : x
  2. Step 2: Convert to fraction form
    343.66/514.63 = 240.46/x
  3. Step 3: Cross multiply
    343.66x = 514.63 × 240.46
  4. Step 4: Simplify right side
    343.66x = 123,746.49
  5. Step 5: Solve for x
    x = 123,746.49/343.66
  6. Step 6: Final answer
    x = 360.09

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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.