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Finding the Fourth Proportional to 441.46, 608.51 and 348.06

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Solution

The fourth proportional to 441.46, 608.51 and 348.06 is: 479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.46 : 608.51 = 348.06 : x
  2. Step 2: Convert to fraction form
    441.46/608.51 = 348.06/x
  3. Step 3: Cross multiply
    441.46x = 608.51 × 348.06
  4. Step 4: Simplify right side
    441.46x = 211,798.86
  5. Step 5: Solve for x
    x = 211,798.86/441.46
  6. Step 6: Final answer
    x = 479.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.