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Finding the Fourth Proportional to 1,490.83, 2,236.18 and 566.32

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Solution

The fourth proportional to 1,490.83, 2,236.18 and 566.32 is: 849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.83 : 2,236.18 = 566.32 : x
  2. Step 2: Convert to fraction form
    1,490.83/2,236.18 = 566.32/x
  3. Step 3: Cross multiply
    1,490.83x = 2,236.18 × 566.32
  4. Step 4: Simplify right side
    1,490.83x = 1,266,382.24
  5. Step 5: Solve for x
    x = 1,266,382.24/1,490.83
  6. Step 6: Final answer
    x = 849.45

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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.