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Finding the Fourth Proportional to 504.31, 695.85 and 294.52

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Solution

The fourth proportional to 504.31, 695.85 and 294.52 is: 406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.31 : 695.85 = 294.52 : x
  2. Step 2: Convert to fraction form
    504.31/695.85 = 294.52/x
  3. Step 3: Cross multiply
    504.31x = 695.85 × 294.52
  4. Step 4: Simplify right side
    504.31x = 204,941.74
  5. Step 5: Solve for x
    x = 204,941.74/504.31
  6. Step 6: Final answer
    x = 406.38

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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.