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Finding the Fourth Proportional to 1,156.04, 1,733.45 and 662.45

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Solution

The fourth proportional to 1,156.04, 1,733.45 and 662.45 is: 993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.04 : 1,733.45 = 662.45 : x
  2. Step 2: Convert to fraction form
    1,156.04/1,733.45 = 662.45/x
  3. Step 3: Cross multiply
    1,156.04x = 1,733.45 × 662.45
  4. Step 4: Simplify right side
    1,156.04x = 1,148,311.97
  5. Step 5: Solve for x
    x = 1,148,311.97/1,156.04
  6. Step 6: Final answer
    x = 993.32

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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.