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Finding the Fourth Proportional to 424.50, 637.35 and 334.18

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Solution

The fourth proportional to 424.50, 637.35 and 334.18 is: 501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    424.50 : 637.35 = 334.18 : x
  2. Step 2: Convert to fraction form
    424.50/637.35 = 334.18/x
  3. Step 3: Cross multiply
    424.50x = 637.35 × 334.18
  4. Step 4: Simplify right side
    424.50x = 212,989.62
  5. Step 5: Solve for x
    x = 212,989.62/424.50
  6. Step 6: Final answer
    x = 501.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.