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Finding the Fourth Proportional to 848.98, 1,274.23 and 734.16

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Solution

The fourth proportional to 848.98, 1,274.23 and 734.16 is: 1,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.98 : 1,274.23 = 734.16 : x
  2. Step 2: Convert to fraction form
    848.98/1,274.23 = 734.16/x
  3. Step 3: Cross multiply
    848.98x = 1,274.23 × 734.16
  4. Step 4: Simplify right side
    848.98x = 935,494.39
  5. Step 5: Solve for x
    x = 935,494.39/848.98
  6. Step 6: Final answer
    x = 1,101.90

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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.