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Finding the Fourth Proportional to 533.80, 801.51 and 340.03

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Solution

The fourth proportional to 533.80, 801.51 and 340.03 is: 510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.80 : 801.51 = 340.03 : x
  2. Step 2: Convert to fraction form
    533.80/801.51 = 340.03/x
  3. Step 3: Cross multiply
    533.80x = 801.51 × 340.03
  4. Step 4: Simplify right side
    533.80x = 272,537.45
  5. Step 5: Solve for x
    x = 272,537.45/533.80
  6. Step 6: Final answer
    x = 510.56

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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.