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Finding the Fourth Proportional to 836.98, 1,254.27 and 374.59

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Solution

The fourth proportional to 836.98, 1,254.27 and 374.59 is: 561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    836.98 : 1,254.27 = 374.59 : x
  2. Step 2: Convert to fraction form
    836.98/1,254.27 = 374.59/x
  3. Step 3: Cross multiply
    836.98x = 1,254.27 × 374.59
  4. Step 4: Simplify right side
    836.98x = 469,837.00
  5. Step 5: Solve for x
    x = 469,837.00/836.98
  6. Step 6: Final answer
    x = 561.35

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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.