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Finding the Fourth Proportional to 531.47, 795.53 and 335.79

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Solution

The fourth proportional to 531.47, 795.53 and 335.79 is: 502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.47 : 795.53 = 335.79 : x
  2. Step 2: Convert to fraction form
    531.47/795.53 = 335.79/x
  3. Step 3: Cross multiply
    531.47x = 795.53 × 335.79
  4. Step 4: Simplify right side
    531.47x = 267,130.60
  5. Step 5: Solve for x
    x = 267,130.60/531.47
  6. Step 6: Final answer
    x = 502.63

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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.