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Finding the Fourth Proportional to 523.41, 783.42 and 474.18

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Solution

The fourth proportional to 523.41, 783.42 and 474.18 is: 709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    523.41 : 783.42 = 474.18 : x
  2. Step 2: Convert to fraction form
    523.41/783.42 = 474.18/x
  3. Step 3: Cross multiply
    523.41x = 783.42 × 474.18
  4. Step 4: Simplify right side
    523.41x = 371,482.10
  5. Step 5: Solve for x
    x = 371,482.10/523.41
  6. Step 6: Final answer
    x = 709.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.