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Finding the Fourth Proportional to 353.21, 532.46 and 348.35

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Solution

The fourth proportional to 353.21, 532.46 and 348.35 is: 525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.21 : 532.46 = 348.35 : x
  2. Step 2: Convert to fraction form
    353.21/532.46 = 348.35/x
  3. Step 3: Cross multiply
    353.21x = 532.46 × 348.35
  4. Step 4: Simplify right side
    353.21x = 185,482.44
  5. Step 5: Solve for x
    x = 185,482.44/353.21
  6. Step 6: Final answer
    x = 525.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.