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Finding the Fourth Proportional to 1,151.51, 1,725.52 and 534.49

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Solution

The fourth proportional to 1,151.51, 1,725.52 and 534.49 is: 800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.51 : 1,725.52 = 534.49 : x
  2. Step 2: Convert to fraction form
    1,151.51/1,725.52 = 534.49/x
  3. Step 3: Cross multiply
    1,151.51x = 1,725.52 × 534.49
  4. Step 4: Simplify right side
    1,151.51x = 922,268.54
  5. Step 5: Solve for x
    x = 922,268.54/1,151.51
  6. Step 6: Final answer
    x = 800.92

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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.