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Finding the Fourth Proportional to 546.23, 753.21 and 359.70

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Solution

The fourth proportional to 546.23, 753.21 and 359.70 is: 496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.23 : 753.21 = 359.70 : x
  2. Step 2: Convert to fraction form
    546.23/753.21 = 359.70/x
  3. Step 3: Cross multiply
    546.23x = 753.21 × 359.70
  4. Step 4: Simplify right side
    546.23x = 270,929.64
  5. Step 5: Solve for x
    x = 270,929.64/546.23
  6. Step 6: Final answer
    x = 496.00

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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.