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Finding the Fourth Proportional to 341.46, 468.63 and 305.69

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Solution

The fourth proportional to 341.46, 468.63 and 305.69 is: 419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.46 : 468.63 = 305.69 : x
  2. Step 2: Convert to fraction form
    341.46/468.63 = 305.69/x
  3. Step 3: Cross multiply
    341.46x = 468.63 × 305.69
  4. Step 4: Simplify right side
    341.46x = 143,253.16
  5. Step 5: Solve for x
    x = 143,253.16/341.46
  6. Step 6: Final answer
    x = 419.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.