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Finding the Fourth Proportional to 348.60, 519.12 and 342.52

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Solution

The fourth proportional to 348.60, 519.12 and 342.52 is: 510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.60 : 519.12 = 342.52 : x
  2. Step 2: Convert to fraction form
    348.60/519.12 = 342.52/x
  3. Step 3: Cross multiply
    348.60x = 519.12 × 342.52
  4. Step 4: Simplify right side
    348.60x = 177,808.98
  5. Step 5: Solve for x
    x = 177,808.98/348.60
  6. Step 6: Final answer
    x = 510.07

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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.