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Finding the Fourth Proportional to 1,288.04, 1,932.08 and 466.32

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Solution

The fourth proportional to 1,288.04, 1,932.08 and 466.32 is: 699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.04 : 1,932.08 = 466.32 : x
  2. Step 2: Convert to fraction form
    1,288.04/1,932.08 = 466.32/x
  3. Step 3: Cross multiply
    1,288.04x = 1,932.08 × 466.32
  4. Step 4: Simplify right side
    1,288.04x = 900,967.55
  5. Step 5: Solve for x
    x = 900,967.55/1,288.04
  6. Step 6: Final answer
    x = 699.49

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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.