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Finding the Fourth Proportional to 504.27, 695.88 and 283.23

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Solution

The fourth proportional to 504.27, 695.88 and 283.23 is: 390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.27 : 695.88 = 283.23 : x
  2. Step 2: Convert to fraction form
    504.27/695.88 = 283.23/x
  3. Step 3: Cross multiply
    504.27x = 695.88 × 283.23
  4. Step 4: Simplify right side
    504.27x = 197,094.09
  5. Step 5: Solve for x
    x = 197,094.09/504.27
  6. Step 6: Final answer
    x = 390.85

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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.