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Finding the Fourth Proportional to 539.11, 744.04 and 352.76

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Solution

The fourth proportional to 539.11, 744.04 and 352.76 is: 486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.11 : 744.04 = 352.76 : x
  2. Step 2: Convert to fraction form
    539.11/744.04 = 352.76/x
  3. Step 3: Cross multiply
    539.11x = 744.04 × 352.76
  4. Step 4: Simplify right side
    539.11x = 262,462.29
  5. Step 5: Solve for x
    x = 262,462.29/539.11
  6. Step 6: Final answer
    x = 486.85

Related Problems

Find fourth proportional to 269.55, 372.02 and 176.38
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Double scale
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Similar ratio
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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.