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Finding the Fourth Proportional to 607.34, 837.50 and 371.31

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Solution

The fourth proportional to 607.34, 837.50 and 371.31 is: 512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.34 : 837.50 = 371.31 : x
  2. Step 2: Convert to fraction form
    607.34/837.50 = 371.31/x
  3. Step 3: Cross multiply
    607.34x = 837.50 × 371.31
  4. Step 4: Simplify right side
    607.34x = 310,970.27
  5. Step 5: Solve for x
    x = 310,970.27/607.34
  6. Step 6: Final answer
    x = 512.02

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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.