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Finding the Fourth Proportional to 902.24, 1,353.59 and 346.95

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Solution

The fourth proportional to 902.24, 1,353.59 and 346.95 is: 520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    902.24 : 1,353.59 = 346.95 : x
  2. Step 2: Convert to fraction form
    902.24/1,353.59 = 346.95/x
  3. Step 3: Cross multiply
    902.24x = 1,353.59 × 346.95
  4. Step 4: Simplify right side
    902.24x = 469,619.55
  5. Step 5: Solve for x
    x = 469,619.55/902.24
  6. Step 6: Final answer
    x = 520.51

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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.