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Finding the Fourth Proportional to 622.84, 933.03 and 348.09

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Solution

The fourth proportional to 622.84, 933.03 and 348.09 is: 521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.84 : 933.03 = 348.09 : x
  2. Step 2: Convert to fraction form
    622.84/933.03 = 348.09/x
  3. Step 3: Cross multiply
    622.84x = 933.03 × 348.09
  4. Step 4: Simplify right side
    622.84x = 324,778.41
  5. Step 5: Solve for x
    x = 324,778.41/622.84
  6. Step 6: Final answer
    x = 521.45

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1.5x scale

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.