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Finding the Fourth Proportional to 502.58, 693.63 and 363.16

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Solution

The fourth proportional to 502.58, 693.63 and 363.16 is: 501.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.58 : 693.63 = 363.16 : x
  2. Step 2: Convert to fraction form
    502.58/693.63 = 363.16/x
  3. Step 3: Cross multiply
    502.58x = 693.63 × 363.16
  4. Step 4: Simplify right side
    502.58x = 251,898.67
  5. Step 5: Solve for x
    x = 251,898.67/502.58
  6. Step 6: Final answer
    x = 501.21

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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.