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Finding the Fourth Proportional to 528.88, 729.48 and 363.10

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Solution

The fourth proportional to 528.88, 729.48 and 363.10 is: 500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.88 : 729.48 = 363.10 : x
  2. Step 2: Convert to fraction form
    528.88/729.48 = 363.10/x
  3. Step 3: Cross multiply
    528.88x = 729.48 × 363.10
  4. Step 4: Simplify right side
    528.88x = 264,874.19
  5. Step 5: Solve for x
    x = 264,874.19/528.88
  6. Step 6: Final answer
    x = 500.82

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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.