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Finding the Fourth Proportional to 376.84, 521.95 and 348.76

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Solution

The fourth proportional to 376.84, 521.95 and 348.76 is: 483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.84 : 521.95 = 348.76 : x
  2. Step 2: Convert to fraction form
    376.84/521.95 = 348.76/x
  3. Step 3: Cross multiply
    376.84x = 521.95 × 348.76
  4. Step 4: Simplify right side
    376.84x = 182,035.28
  5. Step 5: Solve for x
    x = 182,035.28/376.84
  6. Step 6: Final answer
    x = 483.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.