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Finding the Fourth Proportional to 583.16, 805.01 and 426.92

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Solution

The fourth proportional to 583.16, 805.01 and 426.92 is: 589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.16 : 805.01 = 426.92 : x
  2. Step 2: Convert to fraction form
    583.16/805.01 = 426.92/x
  3. Step 3: Cross multiply
    583.16x = 805.01 × 426.92
  4. Step 4: Simplify right side
    583.16x = 343,668.71
  5. Step 5: Solve for x
    x = 343,668.71/583.16
  6. Step 6: Final answer
    x = 589.33

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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.