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Finding the Fourth Proportional to 533.09, 803.72 and 526.19

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Solution

The fourth proportional to 533.09, 803.72 and 526.19 is: 793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.09 : 803.72 = 526.19 : x
  2. Step 2: Convert to fraction form
    533.09/803.72 = 526.19/x
  3. Step 3: Cross multiply
    533.09x = 803.72 × 526.19
  4. Step 4: Simplify right side
    533.09x = 422,906.72
  5. Step 5: Solve for x
    x = 422,906.72/533.09
  6. Step 6: Final answer
    x = 793.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.