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Finding the Fourth Proportional to 546.36, 818.73 and 508.02

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Solution

The fourth proportional to 546.36, 818.73 and 508.02 is: 761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.36 : 818.73 = 508.02 : x
  2. Step 2: Convert to fraction form
    546.36/818.73 = 508.02/x
  3. Step 3: Cross multiply
    546.36x = 818.73 × 508.02
  4. Step 4: Simplify right side
    546.36x = 415,931.21
  5. Step 5: Solve for x
    x = 415,931.21/546.36
  6. Step 6: Final answer
    x = 761.28

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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.