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Finding the Fourth Proportional to 527.13, 726.03 and 483.39

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Solution

The fourth proportional to 527.13, 726.03 and 483.39 is: 665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.13 : 726.03 = 483.39 : x
  2. Step 2: Convert to fraction form
    527.13/726.03 = 483.39/x
  3. Step 3: Cross multiply
    527.13x = 726.03 × 483.39
  4. Step 4: Simplify right side
    527.13x = 350,955.64
  5. Step 5: Solve for x
    x = 350,955.64/527.13
  6. Step 6: Final answer
    x = 665.79

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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.