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Finding the Fourth Proportional to 615.60, 923.52 and 182.76

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Solution

The fourth proportional to 615.60, 923.52 and 182.76 is: 274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.60 : 923.52 = 182.76 : x
  2. Step 2: Convert to fraction form
    615.60/923.52 = 182.76/x
  3. Step 3: Cross multiply
    615.60x = 923.52 × 182.76
  4. Step 4: Simplify right side
    615.60x = 168,782.52
  5. Step 5: Solve for x
    x = 168,782.52/615.60
  6. Step 6: Final answer
    x = 274.18

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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.