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Finding the Fourth Proportional to 544.35, 751.03 and 387.01

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Solution

The fourth proportional to 544.35, 751.03 and 387.01 is: 533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.35 : 751.03 = 387.01 : x
  2. Step 2: Convert to fraction form
    544.35/751.03 = 387.01/x
  3. Step 3: Cross multiply
    544.35x = 751.03 × 387.01
  4. Step 4: Simplify right side
    544.35x = 290,656.12
  5. Step 5: Solve for x
    x = 290,656.12/544.35
  6. Step 6: Final answer
    x = 533.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.