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Finding the Fourth Proportional to 734.36, 1,093.50 and 708.08

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Solution

The fourth proportional to 734.36, 1,093.50 and 708.08 is: 1,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.36 : 1,093.50 = 708.08 : x
  2. Step 2: Convert to fraction form
    734.36/1,093.50 = 708.08/x
  3. Step 3: Cross multiply
    734.36x = 1,093.50 × 708.08
  4. Step 4: Simplify right side
    734.36x = 774,276.47
  5. Step 5: Solve for x
    x = 774,276.47/734.36
  6. Step 6: Final answer
    x = 1,054.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.