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Finding the Fourth Proportional to 504.20, 695.69 and 364.53

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Solution

The fourth proportional to 504.20, 695.69 and 364.53 is: 502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.20 : 695.69 = 364.53 : x
  2. Step 2: Convert to fraction form
    504.20/695.69 = 364.53/x
  3. Step 3: Cross multiply
    504.20x = 695.69 × 364.53
  4. Step 4: Simplify right side
    504.20x = 253,599.88
  5. Step 5: Solve for x
    x = 253,599.88/504.20
  6. Step 6: Final answer
    x = 502.97

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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.