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Finding the Fourth Proportional to 470.86, 650.26 and 373.32

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Solution

The fourth proportional to 470.86, 650.26 and 373.32 is: 515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.86 : 650.26 = 373.32 : x
  2. Step 2: Convert to fraction form
    470.86/650.26 = 373.32/x
  3. Step 3: Cross multiply
    470.86x = 650.26 × 373.32
  4. Step 4: Simplify right side
    470.86x = 242,755.06
  5. Step 5: Solve for x
    x = 242,755.06/470.86
  6. Step 6: Final answer
    x = 515.56

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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.