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Finding the Fourth Proportional to 476.22, 657.55 and 365.52

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Solution

The fourth proportional to 476.22, 657.55 and 365.52 is: 504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.22 : 657.55 = 365.52 : x
  2. Step 2: Convert to fraction form
    476.22/657.55 = 365.52/x
  3. Step 3: Cross multiply
    476.22x = 657.55 × 365.52
  4. Step 4: Simplify right side
    476.22x = 240,347.68
  5. Step 5: Solve for x
    x = 240,347.68/476.22
  6. Step 6: Final answer
    x = 504.70

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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.