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Finding the Fourth Proportional to 348.58, 477.90 and 332.44

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Solution

The fourth proportional to 348.58, 477.90 and 332.44 is: 455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.58 : 477.90 = 332.44 : x
  2. Step 2: Convert to fraction form
    348.58/477.90 = 332.44/x
  3. Step 3: Cross multiply
    348.58x = 477.90 × 332.44
  4. Step 4: Simplify right side
    348.58x = 158,871.88
  5. Step 5: Solve for x
    x = 158,871.88/348.58
  6. Step 6: Final answer
    x = 455.77

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.