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Finding the Fourth Proportional to 501.61, 752.43 and 193.48

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Solution

The fourth proportional to 501.61, 752.43 and 193.48 is: 290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.61 : 752.43 = 193.48 : x
  2. Step 2: Convert to fraction form
    501.61/752.43 = 193.48/x
  3. Step 3: Cross multiply
    501.61x = 752.43 × 193.48
  4. Step 4: Simplify right side
    501.61x = 145,580.16
  5. Step 5: Solve for x
    x = 145,580.16/501.61
  6. Step 6: Final answer
    x = 290.23

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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.