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Finding the Fourth Proportional to 531.33, 733.11 and 344.76

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Solution

The fourth proportional to 531.33, 733.11 and 344.76 is: 475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.33 : 733.11 = 344.76 : x
  2. Step 2: Convert to fraction form
    531.33/733.11 = 344.76/x
  3. Step 3: Cross multiply
    531.33x = 733.11 × 344.76
  4. Step 4: Simplify right side
    531.33x = 252,747.00
  5. Step 5: Solve for x
    x = 252,747.00/531.33
  6. Step 6: Final answer
    x = 475.69

Related Problems

Find fourth proportional to 265.67, 366.56 and 172.38
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.