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Finding the Fourth Proportional to 501.07, 750.44 and 487.23

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Solution

The fourth proportional to 501.07, 750.44 and 487.23 is: 729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.07 : 750.44 = 487.23 : x
  2. Step 2: Convert to fraction form
    501.07/750.44 = 487.23/x
  3. Step 3: Cross multiply
    501.07x = 750.44 × 487.23
  4. Step 4: Simplify right side
    501.07x = 365,641.26
  5. Step 5: Solve for x
    x = 365,641.26/501.07
  6. Step 6: Final answer
    x = 729.72

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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.