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Finding the Fourth Proportional to 504.49, 756.66 and 175.29

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Solution

The fourth proportional to 504.49, 756.66 and 175.29 is: 262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.49 : 756.66 = 175.29 : x
  2. Step 2: Convert to fraction form
    504.49/756.66 = 175.29/x
  3. Step 3: Cross multiply
    504.49x = 756.66 × 175.29
  4. Step 4: Simplify right side
    504.49x = 132,634.93
  5. Step 5: Solve for x
    x = 132,634.93/504.49
  6. Step 6: Final answer
    x = 262.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.