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Finding the Fourth Proportional to 504.00, 695.48 and 279.92

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Solution

The fourth proportional to 504.00, 695.48 and 279.92 is: 386.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.00 : 695.48 = 279.92 : x
  2. Step 2: Convert to fraction form
    504.00/695.48 = 279.92/x
  3. Step 3: Cross multiply
    504.00x = 695.48 × 279.92
  4. Step 4: Simplify right side
    504.00x = 194,675.28
  5. Step 5: Solve for x
    x = 194,675.28/504.00
  6. Step 6: Final answer
    x = 386.26

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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.