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Finding the Fourth Proportional to 501.48, 752.67 and 270.56

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Solution

The fourth proportional to 501.48, 752.67 and 270.56 is: 406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.48 : 752.67 = 270.56 : x
  2. Step 2: Convert to fraction form
    501.48/752.67 = 270.56/x
  3. Step 3: Cross multiply
    501.48x = 752.67 × 270.56
  4. Step 4: Simplify right side
    501.48x = 203,642.40
  5. Step 5: Solve for x
    x = 203,642.40/501.48
  6. Step 6: Final answer
    x = 406.08

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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.