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Finding the Fourth Proportional to 935.34, 1,400.85 and 610.26

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Solution

The fourth proportional to 935.34, 1,400.85 and 610.26 is: 913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.34 : 1,400.85 = 610.26 : x
  2. Step 2: Convert to fraction form
    935.34/1,400.85 = 610.26/x
  3. Step 3: Cross multiply
    935.34x = 1,400.85 × 610.26
  4. Step 4: Simplify right side
    935.34x = 854,882.72
  5. Step 5: Solve for x
    x = 854,882.72/935.34
  6. Step 6: Final answer
    x = 913.98

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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.