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Finding the Fourth Proportional to 554.84, 831.30 and 335.04

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Solution

The fourth proportional to 554.84, 831.30 and 335.04 is: 501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.84 : 831.30 = 335.04 : x
  2. Step 2: Convert to fraction form
    554.84/831.30 = 335.04/x
  3. Step 3: Cross multiply
    554.84x = 831.30 × 335.04
  4. Step 4: Simplify right side
    554.84x = 278,518.75
  5. Step 5: Solve for x
    x = 278,518.75/554.84
  6. Step 6: Final answer
    x = 501.98

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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.