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Finding the Fourth Proportional to 546.53, 753.44 and 369.18

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Solution

The fourth proportional to 546.53, 753.44 and 369.18 is: 508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.53 : 753.44 = 369.18 : x
  2. Step 2: Convert to fraction form
    546.53/753.44 = 369.18/x
  3. Step 3: Cross multiply
    546.53x = 753.44 × 369.18
  4. Step 4: Simplify right side
    546.53x = 278,153.13
  5. Step 5: Solve for x
    x = 278,153.13/546.53
  6. Step 6: Final answer
    x = 508.95

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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.