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Finding the Fourth Proportional to 504.09, 756.25 and 357.90

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Solution

The fourth proportional to 504.09, 756.25 and 357.90 is: 536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.09 : 756.25 = 357.90 : x
  2. Step 2: Convert to fraction form
    504.09/756.25 = 357.90/x
  3. Step 3: Cross multiply
    504.09x = 756.25 × 357.90
  4. Step 4: Simplify right side
    504.09x = 270,661.88
  5. Step 5: Solve for x
    x = 270,661.88/504.09
  6. Step 6: Final answer
    x = 536.93

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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.