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Finding the Fourth Proportional to 531.72, 795.42 and 501

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Solution

The fourth proportional to 531.72, 795.42 and 501 is: 749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.72 : 795.42 = 501 : x
  2. Step 2: Convert to fraction form
    531.72/795.42 = 501/x
  3. Step 3: Cross multiply
    531.72x = 795.42 × 501
  4. Step 4: Simplify right side
    531.72x = 398,505.42
  5. Step 5: Solve for x
    x = 398,505.42/531.72
  6. Step 6: Final answer
    x = 749.46

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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.