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Finding the Fourth Proportional to 521.27, 717.89 and 433.14

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Solution

The fourth proportional to 521.27, 717.89 and 433.14 is: 596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    521.27 : 717.89 = 433.14 : x
  2. Step 2: Convert to fraction form
    521.27/717.89 = 433.14/x
  3. Step 3: Cross multiply
    521.27x = 717.89 × 433.14
  4. Step 4: Simplify right side
    521.27x = 310,944.71
  5. Step 5: Solve for x
    x = 310,944.71/521.27
  6. Step 6: Final answer
    x = 596.52

Related Problems

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Double scale
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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.