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Finding the Fourth Proportional to 348.62, 520.62 and 297.35

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Solution

The fourth proportional to 348.62, 520.62 and 297.35 is: 444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.62 : 520.62 = 297.35 : x
  2. Step 2: Convert to fraction form
    348.62/520.62 = 297.35/x
  3. Step 3: Cross multiply
    348.62x = 520.62 × 297.35
  4. Step 4: Simplify right side
    348.62x = 154,803.75
  5. Step 5: Solve for x
    x = 154,803.75/348.62
  6. Step 6: Final answer
    x = 444.05

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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.