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Finding the Fourth Proportional to 533.31, 794.34 and 526.11

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Solution

The fourth proportional to 533.31, 794.34 and 526.11 is: 783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.31 : 794.34 = 526.11 : x
  2. Step 2: Convert to fraction form
    533.31/794.34 = 526.11/x
  3. Step 3: Cross multiply
    533.31x = 794.34 × 526.11
  4. Step 4: Simplify right side
    533.31x = 417,910.22
  5. Step 5: Solve for x
    x = 417,910.22/533.31
  6. Step 6: Final answer
    x = 783.62

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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.