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Finding the Fourth Proportional to 353.37, 527.60 and 310.30

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Solution

The fourth proportional to 353.37, 527.60 and 310.30 is: 463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.37 : 527.60 = 310.30 : x
  2. Step 2: Convert to fraction form
    353.37/527.60 = 310.30/x
  3. Step 3: Cross multiply
    353.37x = 527.60 × 310.30
  4. Step 4: Simplify right side
    353.37x = 163,714.28
  5. Step 5: Solve for x
    x = 163,714.28/353.37
  6. Step 6: Final answer
    x = 463.29

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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.