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Finding the Fourth Proportional to 554.24, 763.62 and 504.56

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Solution

The fourth proportional to 554.24, 763.62 and 504.56 is: 695.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.24 : 763.62 = 504.56 : x
  2. Step 2: Convert to fraction form
    554.24/763.62 = 504.56/x
  3. Step 3: Cross multiply
    554.24x = 763.62 × 504.56
  4. Step 4: Simplify right side
    554.24x = 385,292.11
  5. Step 5: Solve for x
    x = 385,292.11/554.24
  6. Step 6: Final answer
    x = 695.17

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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.