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Finding the Fourth Proportional to 582.81, 804.53 and 416.74

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Solution

The fourth proportional to 582.81, 804.53 and 416.74 is: 575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.81 : 804.53 = 416.74 : x
  2. Step 2: Convert to fraction form
    582.81/804.53 = 416.74/x
  3. Step 3: Cross multiply
    582.81x = 804.53 × 416.74
  4. Step 4: Simplify right side
    582.81x = 335,275.81
  5. Step 5: Solve for x
    x = 335,275.81/582.81
  6. Step 6: Final answer
    x = 575.27

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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.