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Finding the Fourth Proportional to 501.18, 747.39 and 482.96

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Solution

The fourth proportional to 501.18, 747.39 and 482.96 is: 720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.18 : 747.39 = 482.96 : x
  2. Step 2: Convert to fraction form
    501.18/747.39 = 482.96/x
  3. Step 3: Cross multiply
    501.18x = 747.39 × 482.96
  4. Step 4: Simplify right side
    501.18x = 360,955.74
  5. Step 5: Solve for x
    x = 360,955.74/501.18
  6. Step 6: Final answer
    x = 720.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.