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Finding the Fourth Proportional to 504.14, 695.72 and 283.09

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Solution

The fourth proportional to 504.14, 695.72 and 283.09 is: 390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.14 : 695.72 = 283.09 : x
  2. Step 2: Convert to fraction form
    504.14/695.72 = 283.09/x
  3. Step 3: Cross multiply
    504.14x = 695.72 × 283.09
  4. Step 4: Simplify right side
    504.14x = 196,950.34
  5. Step 5: Solve for x
    x = 196,950.34/504.14
  6. Step 6: Final answer
    x = 390.66

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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.