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Finding the Fourth Proportional to 349.71, 521.81 and 341.84

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Solution

The fourth proportional to 349.71, 521.81 and 341.84 is: 510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.71 : 521.81 = 341.84 : x
  2. Step 2: Convert to fraction form
    349.71/521.81 = 341.84/x
  3. Step 3: Cross multiply
    349.71x = 521.81 × 341.84
  4. Step 4: Simplify right side
    349.71x = 178,371.21
  5. Step 5: Solve for x
    x = 178,371.21/349.71
  6. Step 6: Final answer
    x = 510.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.