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Finding the Fourth Proportional to 501.83, 751.83 and 424.22

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Solution

The fourth proportional to 501.83, 751.83 and 424.22 is: 635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.83 : 751.83 = 424.22 : x
  2. Step 2: Convert to fraction form
    501.83/751.83 = 424.22/x
  3. Step 3: Cross multiply
    501.83x = 751.83 × 424.22
  4. Step 4: Simplify right side
    501.83x = 318,941.32
  5. Step 5: Solve for x
    x = 318,941.32/501.83
  6. Step 6: Final answer
    x = 635.56

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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.